SlideShare a Scribd company logo
1 of 96
Download to read offline
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
EJERCICIOS RESUELTOS DE ALGEBRA
PREUNIVERSITARIA
PRODUCTOS Y COCIENTES NOTABLES
Ing. WIDMAR AGUILAR, Msc
Febrero 2021
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
Se puede utilizar la siguiente información:
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
Además:
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
1)
De;
= → ( + ) = 4
+ 2 + = 4 → − 2 + = 0
( − ) = 0 → =
=
√
+
=
√
+ = + 1 = 1 + 1
= 2 → ( )
2)
De:
+ = 1 ; ( + ) = 1
+ 2 + = 1 → + = 1 − 2 … … . (1)
( + ) = 1 ; + 3 + 3 + − 1
+ = 1 − 3 ( + )
+ = 1 − 3 (1)
+ = 1 − 3 … … … … . . (2)
Reemplazando (1) y (2) en la expresión a calcular:
= 6( + ) − 4( + )
= 6(1 − 2 ) − 4(1 − 3 )
= 6 − 12 − 4 + 12
= 2 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
3)
Multiplicando entre sí las expresiones:
Eb = √ + + √ − ! √ + − √ − !
= "( + ) − ( − )#
= + − + = 2
= 2 → ( )
4)
Sumando 2 a cada miembro de:
$ + $ = 7 → $ + 2$ = 5
($
'
+ $
'
) = 9 → $
'
+ $
'
= 3 ----(1)
Sumando a la expresión (1), -2 a cada lado:
$
'
− 2 + $
'
= 3 − 2
$
'
− 2 + $
'
= 1
()$
'
- )$
'
) = 1
*$
+
− $
+
, = 1 → -)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
5)
.
+
.
= → =
( + ) = 4 → + 2 + = 4
− 2 + = 0 → ( − ) − 0, 01234:
= --------(1)
Reemplazando (1) en E;
= $
( )678
678 678
6
= $
( )678
678
6
= $
. 6. 678
678
6
= √29
6
= 2 → ( )
6)
( + ) = 1 → ( + ) = 1
( + + 3 + 3 ) = 1
( + ) + 3 + 3 = 1
Como E = ( + )
+ 3 ( + ) = 1 → + 3 :
.
; = 1
= 1 − 3 ……………………(a)
De :
= ( + ) = ( + )( − + )
= (
.
)( ( − + )
= ( − + ) = ( + ) −
= ( + ) −
= 2 − --------(b)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
Igualando las ecuaciones (a) y (b):
1 − 3 = 2 −
= −0,5
Reemplazando en (b),
= 2 − (−0,5)
= 2,5 → ( )
7)
<
− = 6(2 − )
< = =
= 6(2 − ) → 8 − = 6 92 − ), factorizando:
(2 − ) (4 + 2 + ) = 6 (2 − )
4 + 2 + = 6
4 − 4 + = 0 → (2 − ) = 0
= 2 , luego:
E = 4( + )
= 4 : + ; = 4 :
.
+ 2;
= 4 : ; = 10 → ( )
8)
Desarrollando la expresión E;
= + ? + 3 ?( + ?) − 18( + ?) + 20
= + ? + ( + ?)(3 ? − 18) + 20
@A B-4 0 A ℎDEóG2ADA, A2 GD2B2:
= (10) + ( + ?)(3(6) − 18) + 20
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
= 10 + 20
= 30 → ( )
9)
+ = −
.
→ = −
.
4 + 4 = −
+ 4 + 4 = 0 → ( + 2 ) = 0
= −2
Utilizando E:
= +
<
= 1 + 2
= 3 → ( )
10)
$
=
+ $
=
= 3 ; 2; 202H B-4 0 1 4,
( $
=
+ $
=
) = 27
+ + 3$ .
=
($
=
+ $
=
) =27
+ = 27 − 3(3)
+ = 18
− 2 + = 18 − 2 → ($ − $ ) = 16
Sacando la raíz cuadrada de cada lado,
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
$ − $ = 4
= $ − $ = 4 → (2)
11)
( − ) = 3 ; ( + ) = 7
Elevando al cuadrado a ( − ) = 3 .
( − ) = 9
( − 2 + ) = 9
( + ) − 2 = 9, como ( + ) = 7:
7 - 2 = 9 → = −1 → = −1
= 1 ………………..(a)
Como E = ( + + ) , sumando y estando ,
= ( + + − + )
= "( + 2 + ) − }
= "( + ) − # ; J G4KDL B-4:
= ( + − )( + + )
Usando: → = −1 ? = 1 , se tiene:
= (1)(
M
+ 1)(
M
− 1)
= :
M
.
+ 1; :
M
.
− 1; = (8)(6)
= 48
12)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
Reduciendo el numerador y denominador:
( + ) + + = + 4 + 6 + 4 + + +
= 2 + 2 + 4 + 6 + 4
= 2( + + 3 + 2 + 2 )
{( − ) + ( + ) + 2 } =
= ( − 2 + + + 2 + + 2 )
= (2 + 2 + 2 )
= 4( + + )
= 4" + + + 2( + + )#
= 4( + + 3 +2 + 2 )
=
( ' ' = =)
( ' ' = =)
=
.
→ ( )
13)
+ + = 3 ; -2A 4OE4BD2B-4 20 3 2B 1 ? 2;
+ + = 1 + 2
+ ( − 1) + ( -2) =0 ; elevando todo al cubo,
" + ( − 1) + ( − 2)# = 0
+ ( − 1) + ( − 2) = 3( )( − 1)( − 2) ….propiedad
=
= ( .)= (P )=
( .)(P )
=
( )( .)(P )
( .)(P
= 3
= 3 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
14)
=
QR QS Q=
QS
=
Q=
QS
( − + 1) --------(1)
De:
− 3 + 1 = 0 → + 1 = 3 ; 202H B-4 0 1 -K -4:
( + 1) = 9 → + 1 + 2 = 9
+ 1 = 7 − − − − − −( )
( ) 2B (1):
=
Q=
QS
"( + 1) − )
=
.
Q
( 7 − ) =
.
Q
(6 )
= 6 → ( )
15)
= $
6 6
√ 6 6
=
= $
6 6
6 6
=
= $
6
6 6 +
6
6 6
=
= $( )
6
+ 2( )
6
=
--------(a)
De:
( )9
+ 4 ( )9
= 725 → ( )9
+ 4 + 4 ( )9
= 725 + 4
( )9
+ 4 + 4 ( )9
= 729
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
( )
6
+ 2( )
6
) = 27
( )
B
2 + 2( )
B
2 = 27 …………………( )
( ) 2B ( );
E = $( )
6
+ 2( )
6
=
= √27
=
= √3
=
= 3 → ( )
16)
Sumando 2 para obtener un trinomio cuadrado perfecto,
+ 2 + = 34 + 2
( + ) = 36
+ = 6 ; A1O B-4 − 2 G4- 0 2 EK2ADóB
− 2 + = 6 − 2 → − 2 + = 4
( − .
) = 4 → − .
= 2
− .
= 2 → (-)
17)
( + ) = 3 , 202H B-4 0 T1DBG ,
( + ) = 3
+ 5 + 10 + 10 + 5 + = 3
+ + 10 ( + ) + 5 ( + ) = 3 -------(a)
De: ( + ) = 3
= + + 3 ( + ) ------(1)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
(1) en (a) :
+ + 10 (3) + 5 (27 − 3 (3)) = 3
ab = 3-2 =1
+ + 10 (1)(3) + 5(1)(27 − 3(1)(3)) = 3
+ = 243 − 30 − 90
+ = 123 → ( )
18)
De: a+b = 5 → ( + ) = 25
+ 2 + = 25 ; + 2(5) + = 25
+ = 15 − − − − − −( )
( + ) = 125 → + + 3 ( + ) = 125
+ = 125 − 3(5)(5)
+ = 50 − − − − − ( )
(a) y (b) en E:
= = = .U
=
.
U .U
=
.
→ ( )
19)
.
+
.
=
.
→ =
.
( + ) = --------(a)
+ + 2 = → + = −
Elavando (a) al cubo:
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
( + )V
= -------(b)
De: + = − b
( + ) = (− )
V
+ V
+ 3 ( + ) = −
V
+ V
+ 3 (− ) = −
V
+ V
= 2 -----(c )
(a) , (b), (c) en E:
=
( )W V( W W)
( )=
=
3 3
V(2 3 3
)
( )=
=
.. 3 3
3 3
= −11 → (2)
20)
+ + = 0 → X
+ = −
+ = −
+ = −
De:
( + + ) = 0 → + + = −3( + )( + )( + )
+ + = −3(− )(− )(− )
+ + = 3
De:
=
P
+
P
+
P
=
= = P=
P
=
P
P
= 3
= 3 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
21)
− 1 = √2 → ( − 1) = 2
− 2 + 1 = 2
+ 1 = 2(1 + ) … … … … … . . ( )
+ 1 = 2 + 2
− 1 = 2 … … … … … … … ( )
Como = 1 + 2 → = (1 + 2 ) − − − − − ( )
=
YQ .ZYQW .Z
Q'
=
((Q .)((Q )= .)
Q'
=
YQ .ZYQ .Z(Q' Q .)
Q'
=
(Q .) "Q' YQ .Z#
Q'
; reemplazando (a), (b) y (c)
=
(Q .) "(. Q) Q#
(. Q)
=
(Q .) (. Q Q Q)
(. Q)
=
(Q .) (. Q Q )
(. Q)
=
(Q .) (. Q Q )
(. Q)
=
(Q .) (Q Q )
(. Q)
; = 1 + 2
=
(. Q Q )( Q )
(. Q)
=
(Q Q )( Q )
(. Q)
=
U(Q )
(. Q)
= 40.
(. Q)
(. Q)
= 40 → (-)
22)
+ = 62 − − − A1O B-4 2 - 0 -4,
+ 2 + = 64
( + ) = 64 → + = 8 √
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
= :
√
;
8
=
= :
<√
√
;
8
=
= (8)
8
= = √2
=
= 2
= 2 → ( )
23)
( + 2 + 2 + 1)( − 2 + 2 − 1) =
= V
− 2 + 2 − + 2 − 4 + 4 − 2 + 2 − 4 +
4 − 2 + − 2 + 2 − 1
= V
− 1 + (2 − 2) + (4 − 4) + (5 − 5) + (2 − 2) +
(2 − 2)
= V
− 1
= $
(Q= Q Q .)(Q= Q Q .)
Q .
+
= $
QW .
Q .
+ = $
QW Q' Q .
Q .
= $
(QW Q ) (Q' .)
Q .
= $
Q (Q' .) (Q' .)
Q .
= $
(Q' .)(Q .)
Q .
= $
(Q .)(Q .)(Q .)
Q .
= [( + 1) = + 1
= + 1 → ( )
24)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
= ( V
+ 2 ? + V
? + ? − 2 ? + V V
).
.
' W
+
2 ?
= ( V
+ V
? + ? + V V).
.
' W
+ 2 ?
=
Y 'QW ''Z Y W' WQWZ
' W
+ 2 ?
=
'YQW 'Z W(QW ')
' W
+ 2 ? =
YQW 'Z( ' W)
( ' W)
+ 2 ?
= ( V
+ ? ) + 2 ? = V
+ 2 ? + ? , , , , , , , ]^_
= ( + ? ) → ( )
25)
= : + + + − − ( + + − + );. ( +
+ + − + + + − + )
= ( + + + − − − − + − )(2 +
2 + 2 )
= (2 − 2 )( 2 + 2 + 2 )
= 4( − )( + + )
= 4 ( + + − − − )
= 4 ( − )
= 4 − 4 → ( )
26)
+ ? = → ( + ?) =
+ ? + 2 ? = ; ? = --------(c)
+ ? = − 2 − − − − − ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
De:
Q= =
Q(Q )
=
.
, A2 GD2B2:
(Q )YQ Q  Z
5 ?( +?)
=
.
→
Q Q 
Q
=
.
--------(b)
(a ) y (c ) en ( b ):
=
.
→ − 2 − =
= 4
√ = √4 → = 2 → ( )
27)
= ( − + ) − ( − − )
= − + + 3( − )( + )( − ) − " − − + 3( −
)( − )(− − )
= − + − + + + 3( − )( + )( − ) − 3( − )( −
)( + )
= 2 + 3( − )( + )( − ) + 3( − )( − )( + )
= 2 + 3( − )"( + )( − ) + ( − )( + )#
E = 2 + 3( − ) ( − − + ) + ( + − − )
= 2 + 3(a-b) ( − − + + + − − ))
= 2 + 3(a-b) ( 2 − 2 )
= 2 + 6( − )( − ) = 2 ( − − + )
= 2 + 6( − 2 + )
= 2 + 6 ( −2ab + ) -------------(a)
De: : − 3; = : − 3;
: ; = : ;
( − 3 ) = ( − 3 )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
− 3 = − 3
− = 3 ( − )
(a-b)( + + ) = 3 ( − )
+ + = 3
+ = 2 − − − − − ( )
(b) en (a), se tiene:
= 2 + 6 ( + − 2 b )
= 2 + 6 (2 − 2 )
= 2 → ( )
28)
= ? .
+ ? .
=
Q

+

Q
=
Q= =
Q
=
(Q )YQ Q  Z
Q
− − − ( )
`
+ ? = 30
+ ? = 6
---------(1)
+ ? = 6 → ( + ?) = 36
+ ? + 2 ? = 36
30+2xy =36
xy = 3 -------(b)
( )? (1)2B ( );
=
V( U )
=
M∗V
= 54
= 54 → (-)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
29)
+
.
Q
= 3 →
Q .
Q
= 3 → + 1 = 3 -------(1)
=
QW .
Q(Q' .)
=
(Q )= .
Q(Q' .)
=
(Q .)(Q' Q .)
Q(Q' .)
-------- (a)
+ 1 = 3 → ( + 1) = 9
+ 2 + 1 = 9
+ 1 = 7 ----------- (b)
( ) 2B ( ):
=
(Q .)((Q' .) Q )
Q(Q' .)
=
(Q .)(7 2
− 2
)
Q(7 2)
( 1) en E:
=
Q(VQ )
Q(7 2
)
=
.<
M
→ ( )
30)
b
( + ) = 1
( + ) =
Dividiendo entre si las dos ecuaciones anteriores,
= =Y = =Z
( )
= → ( + ) = ( + )
( + )( − + ) = (a+b)
( − + ) =
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
( + ) − =
( + ) = +
Como : = ( + )
= + − − − − − − − − − − − ( )
De:
( + ) = 1 → ( + ) = 1
( + + 3 ( + )# = 1
( + + 3) = 1 → + =
.
= = − 3 ---(b)
De: ( + ) = → + = = =
− − − −( )
( ) = ( ) →
.
= =
− 3 = = =
= = = −3 → = −
.
− − − −(-)
(-) 2B ( ):
= + = −
.
+
= 2 → ( )
31)
+ √ = + √
− = √ -√
Y√ − √ Z(√ + [ ) = √ -√ − − − −-DJ2K2B D -2 1 -K -4A
Y√ − √ ZY√ + √ Z = √ √ − √ √
Y√ − √ ZY√ + √ Z = √ Y√ − √ Z
Y√ − √ ZY√ + √ Z = −√ Y√ − √ Z
√ + √ = −√
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
√ + √ + √ = 0 − − − − − ( )
( ) − − − − − 202H B-4 0 1 4:
Y√ + √ + √ Z = 0
(√ ) + (√ ) + (√ ) = 3√ √ √
(√ ) + (√ ) + (√ ) = 3√ − − − − − −( )
De E :
=
√ P
+
√ P
+
P
√
=
√
√ P
+
√
√ P
+
P√P
√ P
=
√ =
√ P
+
√ =
√ P
+
√P=
√ P
=
√ 3+[ 3
+√ 3
√ P
( )2B ∶
=
√ P
√ P
= 3 → ( )
32)
( + ) = √3
=
→ ( + ) = 3
+ + 3 ( + ) = 3 − − − −( )
( − ) = √2
=
→ ( − ) = 2
− − 3 ( − ) = 2 − − − −( )
`
+ + 3 ( + ) = 3
− − 3 ( − ) = 2
( ) + ( ):
2 + 3 ( + − + )=5
2 + 6 = 5
2 ( + 3 ) = 5 → + 3 = − − − ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
( ) − ( ) :
`
+ + 3 ( + ) = 3
− + + 3 ( − ) = −2
2 + 3 ( + + − )= 1
2 + 3 (2 ) = 1 → 2 + 6 = 1
2 ( + 3 ) = 1 → + 3 =
.
− − − −(-)
( ) ? (-) 2B :
= 4 ( + 3 )( + 3 )
= 4 : ; :
.
;
= 5 → ( )
33)
d
− = √7
R
− = √7
R
− = 2√7
R
-------------(a)
( ) 2B :
=
( P)R ( P)R ( )R
MU
=
Y √M
R
Z
R
Y √M
R
Z
R
Y √M
R
Z
R
MU
=
R.M M M
MU
=
e.U
MU
= 13
= 13 → ( )
34)
+ = + → + = ( + ) … … . ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
=
( = =) ( = = )
( )
=
= = = = ( )
( )
( ) 2B :
=
= = = = = =
( )
=
( = =)
( )
− − − −( )
De: + = ( + )
(a+b) ( − + ) = ( + )
− + =
− 2 + = 0 → ( − ) = 0
= … … … … … . ( )
( ) 2B ( ):
=
( = =)
( )
=
( = =)
( )
=
V =
=
= 6
= 6 → ( )
35)
+ + = 2( + )( + )( + ) … … . A1O B-4 G4-4:
= = P=
+ = ( + )( + )( + )+abc
+ + + 2 = 2"( + )( + )( + ) + #
Como :
( + )( + )( + ) + = ( + + )( + + ) − − − EK4ED2- -
+ + + 2 = 2 ( + + )( + + )
( + + ) − 3( + + )( + + ) + 3 + 2 = 2 ( + + )( +
+ )
1 − 3 (1)( + + ) + 5 = 2(1)( + + )
1 − 3( + + ) + 5 = 2( + + )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
+ 5 = 5 ( + + ) -------(a)
De:
( ) 2B :
=
. P
P P
=
( P P)
( P P)
= 5 → ( )
36)
Si: + + = 0
( + + ) = 0 → + + = 3 − − − ( )
( ) 2B :
=
f f Pf ( = =)( = P=)( = P=)
V( = = P=) . P
Además:
( ) + ( ) + ( ) + 3( + )( + )( + ) =
= ( 3 +
3
+ 3)
=
( 3+
3
+ 3)
=
V( P) . P
=
( P)=
P
= (3 )
= 9 → ( )
37)
( + 1)( − 1) = − 1
=
( . )( ' .)( W = .)( W = .)
f .
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
=
( W .)( W = .)( W = .)
( f .)
De; ( − 1) (( ) − + 1) = ( e
− 1)
( + 1) (( ) + + 1) = ( e
+ 1)
=
( W .)( = .)( W = .)( = .)( W = .)
( f .)( = .)( = .)
=
( W .)( f .)( f .)
( f .)( = .)( = .)
=
( W .)( f .)
( = .)( = .)
=
( = .)( = .)( f .)
( = .)( = .)
= e
− 1
= e
− 1 → ( )
38)
+ = 2 → = 2
− 2 + = 0 → ( − ) = 0
= − − − − − ( )
1A B-4 ( ):
E = ( )g
+ ( )g
= ( )g
+ ( )g
→ = (1)g
+ (1)g
Como h ∈ j → = 1 + 1
= 2 → ( )
39)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
=
(
8
k
8
l
) (
8
k
8
l
)
−
=
8
k kl
8
l
:
8
k kl
8
l
;
−
=
8
k kl
8
l
8
k kl
8
l
−
=
'
kl
− =
'mk l
kl
−
=
( )
− =
( )( )
( )
−
= − = = = 1
= 1 → ( )
40)
Q 
Q 
= 1 −
Q

-------------(a)
Q 
Q 
= 1 −

Q
---------------(b)
(a) por (b):
Q 
Q 
.
Q 
Q 
= :1 −
Q

; : 1 −

Q
;
1 = (
 Q

)(
Q 
Q
)
? = −(? − )(? − )
-xy = (? − )
− ? = + ? − 2 ?
+ ? = ? − − − − − ( )
( + ? ) = ? → + 2 ? + ? = ?
+ ? = − ? − − − − − − − (-)
( )? (-) 2B :
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
=
(Q  )(Q' ')
QW W
=
(Q  )(Q' ')
"(Q )= ( )=#
=
(Q  )(Q' ')
(Q  )(Q' Q  ')
=
Q' '
Q' Q  '
=
Q 
Q  Q 
=
Q 
Q 
=
.
→ ( )
41)
( + + + -) = 4 ( + )( + -)
Agrupando el factor cuadrático:
"( + ) + ( + -)# = 4 ( + )( + -)
( + ) + ( + -) + 2( + )( + -) = 4 ( + )( + -)
( + ) − 2( + )( + -) + ( + -) = 0
"( + ) − ( + -)# = 0
( + ) = ( + -) − − − − − −( )
( ) 2B :
= 4
n7o
(k7l) = 4
k7l
(k7l) = 4
8
= √4
= 2 → (-)
42)
+ + + - = 0 ; + - = 1
a+b +1 =0 → + = −1
( + + 1) = 0 → + + 1 = −3
+ = −1 − 3 − − − − − −( )
( + - − 1) = 0 → + - − 1 = −3 -
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
+ - = 1 − 3 - − − − − − − − ( )
De: + = −1 → ( + ) = 1 → + 2 + = 1
+ = 1 − 2 − − − − − ( )
+ - = 1 → ( + -) = 1 → + 2 - + - = 1
+ - = 1 − 2 - − − − − − (-)
( ) , ( ) , ( )? (-) 2B :
=
3
+ 3
+ 3
+ -3
( + ) − − -
=
. . Pp
( ) P p
=
( Pp)
. (. Pp)
=
( Pp)
. . Pp
( Pp)
( Pp)
= → ( )
43)
+ ? + L = 4
( + ? + L) = 64
+ ? + L + 3( + ?)(? + L)( + L) = 64
+ ? + L + 3( ? + L + ? + ?L)( + L) = 64)
+ ? + L + 3 (16 + ? + L + L + ? + ? L + ?L + ? ) = 64
+ ? + L + 3" ?(4 − L) + ?(4 − ?) + ?L(4 − )# = 64 − 48
+ ? + L + 3 "4 ? − ?L + 4 L − ?L + 4?L − ?L ) = 16
+ ? + L + 3 "4( ? + L + ?L) − 3 ?L# = 16
Como:
? + L + ?L = 6 y xyz =8
+ ? + L + 3 "4(6) − 3(8)# = 16
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
+ ? + L = 16
E = + ? + L
= 16 → ( )
44)
+ ? = √5
'
+ 2? → − ? = √5
'
(q − r) =(√5
'
) → − 2 ? + ? = √5
? = √5 → + ? = √5 + 2√5
+ ? = 3√5
+ ? = 3√5 → + ? + 2 ? = 2 ? + 3√5
( + ?) = 5√5 → + ? = (5√5)./
+ ? = √5√5
'
+ ? = 3√5 → + ? − 2 ? = −2 ? + 3√5
( − ?) = √5 → − ? = (√5)./
+ ? = √5
'
De:
( + ?)( − ?) = √5√5
'
. √5
'
− ? = Y√5ZY √5
'
Z = √5 √5
= − ? = 5
= 5 → ( )
45)
( + ) = 12 + ( − )
+ 2 + = 12 + − 2 +
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
4 = 12 → = 3
=
Q tQ t V
VP PQ
=
(e) t t V
VP VP
=
.
= 15 → ( )
46)
.
+
.
= 8 → + = 8 --------(a)
De E:
=
"( ) ( ) #
( ' ') ( ' ')
=
( )
" ' ' ( ' ')#"( ' ') ( ' '#
( ) 2B :
=
( )
( ')( ')
=
(8 2 2
)
' '
=
V ' '
' '
E = 64 → (2)
47)
( − ?) + ( − L) + (? − L) = 0
→ X
− ? = 0 → = ?
− L = 0 → = L
? − L = 0 → ? = L
= $
QS S uS
(Q  u)S
= $
QS QS QS
(Q Q Q)S
= $
QS
SQS
=
.
e
→ ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
48)
( + ) + ( − ) = 4
+ 2 + + − 2 + = 4
2 + 2 = 4 → + = 2
− 2 + = 0 → ( − ) = 0 → = − − − ( )
( ) 2B :
= +
= =
= ( )( )
+ 0 = = 1
= 1 → ( )
49)
+ + = 5 → + + ( − 5) = 0
" + + ( − 5)# = 0 → + + ( − 5) = −2" + ( − 5) +
( − 5)#
→ + + − 10 + 25 = −2( + − 5 + − 5 )
Como: + + =41
41 − 10 + 25 = −2( + + ) + 10( a+b)
66 − 10 = −2( + + ) + 10 (5 − )
66 − 50 − 10 + 10 = −2( + + )
( + + ) = −8 − − − − − − − ( )
( ) 202H -4 0 1 -K -4:
( + + ) = 64
+ + + 2( )( + + ) = 64 ---propiedad
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
+ + = 184
184 + 2abc(5) =64
= −12 − − − − − − − − − − − − − ( )
De: + + = 5 → ( + + ) = 125
+ + + 3( + + )( + + ) − 3 = 125
(a) y (b) en E:
+ + + 3(5)(−8) − 3(−12) = 125
+ + = 125 + 125 − 36= 209
= + +
= 209 → ( )
50)
+ + = 1
+ + = 1
" + + ( − 1)# = 0 → + + − 2 + 1 = −2( + ( − 1) +
( − 1))
+ + − 2 + 1 = −2( + − + − )
(1) − 2 + 1 = −2 Y + + − ( + )Z
2 − 2 = −2 ( + + ) + 2(1 − )
2 − 2 − 2 + 2 = −2 ( + + )
+ + = 0 − − − − − − − −( )
( + + ) = 1 → + + + 3( + + )( + + ) − 3 = 1 ---
(b)
( ) 2B ( ):
+ + − 3 = 1 ------------(c)
De:
( + + ) = 0
+ + + 2 ( + + ) = 0
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
+ + + 2 (1) = 0
+ + = −2 − − − − − (-)
De:
+ + ( − 1) = 0 → Y + + ( − 1)Z = 0
+ + − 2 + 1 = −2" + ( − 1) + ( − 1)#
+ + = 2 − 1 − 2( + − + − )
+ + = 2 − 1 − 2( + + − ( + ))
+ + = 2 − 1 − 2( + + − (1 − ))
+ + = 2 − 1 + 2 − 2 – 2( + + )
+ + = 1 − 2( + + ) − − − −(2)
(-) 2B (2) ∶
+ + = 1 + 4
=
= = P= P
' ' P' P
=
.
. P P
= 1
= 1 → (-)
51)
+ + = 0 → ( + + ) = 0
+ + = 3
+ = 3 − − − − − − ( )
+ = − → ( + ) =
+ + 2 =
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
+ = − 2 − − − − − ( )
+ + =
.
( + + ) − − − ( ) EK4ED2- -
( ), ( ) ? ( ) 2B :
=
( P )( = ( = P=)
' ' P'
=
( P )( = ( P =))
8
( P )
=
( = P)
P
=
V ( P)
P
=
V ( P)
( P)
= 3
= 3 → ( )
52)
+ + = 0;
X
+ = −
+ = −
+ = −
----------------------------(a)
=
P
"( ) ( P P)#( P)
=
P
" ( ) P( )#( P)
=
P
( )( P)( P)
( ) 2B :
=
P
( )( )( P)
=
P
P
= −2
= −2 → ( )
53)
+ + = 1 → ( + + ) = 1
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
abc = 0 --------------------(a)
+ + + 2( + + ) = 1 -------------(b)
Reemplazando (a):
+ + + 2(0) = 1
+ + = 1 − − − − − − − − − − − −(1)
( + + ) = 1 → + + + 3( + )( + )( + ) = 1
+ + + 3( + + + )( + ) = 1
= = = 0
+ + + 3 ( + ) = 1
+ + + 3( ) + 3( ) = 1
+ + = 1 − − − − − − − − − − − (2)
(1) ? (2) 2B :
=
2
+ 2
+ 2
−
3
+ 3
+ 3
=
.
−
.
=
V
=
.
V
→ (2)
54)
√
=
+ √
=
+ √
=
= 0
(√
=
+ √
=
+ √
=
) = 0 → + + + 3(√
=
+ √
=
)(√
=
+ √
=
)(√
=
+ √
=
) =0
d
√
=
+ √
=
= −√
=
√
=
+ √
=
= −√
=
√
=
+ √
=
= −√
=
------------------(a)
+ + + 3 Y−√
=
ZY −√
=
ZY −√
=
Z = 0
+ + = 3 √
=
√
=
√
=
= 3 √
=
+ + = 3 √
=
→ ( + + ) = 27 − − − ( )
+ + + 3( + )( + )( + ) = 27
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
+ + − 27 = − 3( + )( + )( + ) − − − −( )
( ) 2B :
=
= = P= M P
( )( P)( P)
=
( + )( + )( + )
( + )( + )( + )
= −3
= −3 → ( )
55)
+
.
= 2 → − 2 +
.
= 0 → − 2 + 1 = 0
( − 1) = 0 → = 1 − − − − − ( )
( ) 2B :
= $
' mW
m' W
+
= )
.' 8
8W
8
8' .W
+
= $
. .
. .
+
= √1
+
= 1
= 1 → (2)
56)
+
.
Q
= 1 → : +
.
Q
; = 1
+ 2 +
.
Q
= 1 → +
.
Q
= −1----------(a)
+
.
Q
= 1 → : +
.
Q
; = 1
+
.
Q=
+ 3 .
.
Q
: +
.
Q
; = 1
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
+
.
Q=
= 1 − 3 : +
.
Q
;
+
.
Q=
= 1 − 3(1)
+
.
Q=
= −2 − − − −( )
( ) ( ):
( +
.
Q
)( +
.
Q=
) = (−1)(−2)
( + .
.
Q=
+ .
.
Q
+
.
QS
) = 2
+
.
QS
= 2 − : +
.
Q
; = 2 − 1
+
.
QS
= 1
= $ +
.
QS
S
= √1
S
= 1 → ( )
57)
=
(Q  )"( )' ( )'#
( Q ) (  Q)
=
(Q  )"( ) ( ) #"( ) ( ) #
Q Q    Q Q
=
(Q  )( )(
( Q  ) (  Q )
=
(Q  )( )( )
(Q  ) (Q  )
=
< (Q  )( )
( )(Q  )
= 8 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
58)
+ ? + L = 0 → ( + ? + L) = 0
+ ? + L = −2( ? + ?L + L) − − − − − ( )
+ ? + L = 0 → ( + ? + L) = 0
+ ? + L = 3 ?L − − − −( )
( ) ( ) ∶
( + ? + L )( + ? + L ) = −6 ?L( ? + ?L + L)
+ ? + L + ? + L + ? + ? L + L + L ? = −6 ?L( ? + ?L +
L)
+ ? + L + (? + ? ) + ( L + L ) + (? L L ? = −6 ?L( ? + ?L +
L)
+ ? + L + ? ( + ?) + L ( + L) + ? L (? + L) = −6 ?L( ? + ?L + L)
+ ? + L + ? (−L) + L (−?) + ? L (− ) = −6 ?L( ? + ?L + L)
+ ? + L − ? L − ?L − ? L = −6 ?L( ? + ?L + L)
+ ? + L − ? L − ?L − ? L = −6 ? L − 6 ? L − 6 ?L
+ ? + L = −5 ? L − 5 ? L − 5 ?L
+ ? + L = −5 ?L ( ? + ?L + L) − − − − − −( )
( ) ? ( ) 2B :
=
QS S uS
Q  u
=
Qu (Q u Qu)
(Q u Qu)
= ?
= ? → (-)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
59)
+ .
= 3 → +
.
Q
= 3
: +
.
Q
; = 9 → + 2 :
.
Q
; +
.
Q
= 9
+ 2 +
.
Q
= 9 → +
.
Q
= 7 − − − − − ( )
+
.
Q
= 3 → ( +
.
Q
) = 27
+
.
Q= + 3 .
.
Q
: +
.
Q
; = 27
+
.
Q= = 27 − 3(3)
+
.
Q=
= 18 − − − − − ( )
Sumando ( ) ? ( ):
E = + + +
= +
.
Q
+ +
.
Q= = 7 + 18
= 25 → ( )
60)
= $
(Q  u)
Q  u
= $
Q  u (Q u Qu)
Q  u
= $
Q Q Qu Q Q Qu
Q Q Qu
= $
(Q u Qu)
Q u Qu
= √3
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
= √3 → ( )
61)
_( ) = + +
_( ) = ( ) + ( ) + ( )
Y : E( ) = (2 − )(1 − ) (1 + )( + 2)
→ (2 − )(1 − ) (1 + )( + 2) = ( ) + ( ) + ( )
(2 − 2 − + )( + 2 + + 2 ) = ( ) + ( ) + ( )
(2 − 3 + )( + 3 + ) = ( ) + ( ) + ( )
(2 + 6 + 4 − 3 − 9 − 6 + + 3 + 2 ) = ( ) + ( ) +
( )
(-5 + + 4) = V
+ +
V
− 5 + 4 = V
+ +
Igualando coeficientes:
X
= 1
= −5
= 4
= + +
= 1 − 5 + 4
= 0 → ( )
62)
_( ) = " − + + − + + − + #
_( ) = " + − ( + + ) + + ( + + )#
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
_( ) = " ( + + ) − ( + + ) + ( + + )#
_( ) = " (1) − (1) + 1# = ( − + 1)
_( + + ) = _(1)
_(1) = (1 − 1 + 1) = 1
P(a+b+c) = 1 → (-)
63)
=
( t 9) ( 9 t)
( )(t 9 )
=
t t9 9 9 t9 t
( )(t 9 )
=
( t 9 ) 9 t
( )(t 9 )
=
(t 9 ) (t 9 )
( )(t 9 )
=
( )(t 9 )
( )(t 9 )
= 1 → ( )
64)
= + − − − −( )
= $:
P
; :
P
− ; :
P
− ; :
P
− ;
= $:
+ +
2
; :
+ + −2
2
; :
+ + −2
2
; :
+ + −2
2
;
=
.
[( + + )( + − )( + − )( + − )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
=
.
["( + ) − #" + ( − )#" − ( − )#
=
.
[( + + 2 − )( − ( − ) )
=
.
[( + ) + 2 − )( − − + 2 )
=
.
[( + ) + 2 − )( + 2 − ( + ))
( ) 2B :
=
.
[( + 2 − )( + 2 − )
=
.
[(2 )(2 ) =
.
. 2 ( )
=
P
→ ( )
65)
+ + = 0 − − − − − −( )
+ = − ; + = −
= v P
+
P
+
P
w "
P P
#
= v
.
P
+
.
P
+
P.P
P
w v P P
w
= :
= = P=
P
; : P P
;
+ + = 0 → ( + + ) = 0
+ + = 3
= :
P
P
; : P P
; = 3 : P P
; − − − −( )
+ + = ( + ) − = −
+ + = ( + ) − = −
= 3 :
P
P
; = 3 :
P ( P)
P( P)
;
= 3 (
P P)
P P)
= 3
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
= 3 → ( )
66)
(Q )(Q )
Q P
+
(Q )(Q P)
Q
+
(Q )(Q P)
Q
= 1
(Q ) (Q ) (Q ) (Q P) (Q ) (Q P)
( + )( + )( + )
= 1
(Q ) "(Q ) (Q P) # (Q ) (Q P)
( + )( + )( + )
= 1 ------------(a)
( + ) + ( + ) = 0 2B ( )
(Q ) "U# (Q ) (Q P)
( + )( + )( + )
= 1
( + ) ( + ) = ( + )( + )( + )
( + )( + ) = +
Como E =
Q
(Q )(Q P)
=
(Q )(Q P)
(Q )(Q P)
= 1 → ( )
67)
= "( + ) + ( − ) # − 4"(: ; − x: ; y
= v + 2 + + − 2 + w − 4" − #
= (2 + 2 ) -4"
'
'
− 2 +
'
'
#
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
= 4 :
'
'
+ 2 +
'
'; − 4
'
'
+ 8 - 4
'
'
= 4
'
'
+ 8 + 4
'
'
−4
'
'
+ 8 - 4
'
'
= 16 → ( )
68)
+ + = − − − − − −( )
+ = − = ( − 1) = − (1 − )
+ = − = ( − 1) = − (1 − )
+ = − = ( − 1) = − (1 − )
De:
.
:
.
; +
.
:
. P
P
; +
.
P
:
. P
P
; =
= −
.
P
:
.
.
; −
.
:
. P
. P
; −
.
P
:
. P
. P
;
= −
.
P
−
.
−
.
P
=
P
P
= −
P
P
=
P
P
= −1 → (2)
69)
? = 1 → ? = 1 − − − − − −( )
=
Q( .)
Q .
+
(Q .)
 .
=
Q( .) (Q .)
(Q .)( .)
=
Q(  .) (Q Q .)
(Q .)( .)
=
(Q) (Q) Q Q(Q) Q 
(Q .)( .)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
( 1 ) en E:
=
(.) (.) Q(.) Q 
(Q .)( .)
=
Q Q
(Q .)( .)
=
(Q  )
Q Q  .
=
(Q  )
. Q  .
=
(Q  )
(Q  )
= 2
= 2 → ( )
70)
Y√
'
+ 1ZY√
'
− 1Z(√ + 1)( + 1)( + + 1) =
= Y√
'
− 1ZY√ + 1Z( + 1)( + + 1)
= Y√ − 1Z Y√ + 1Z( + 1)( + + 1)
= ( − 1)( + 1)( + + 1)
= ( − 1)( + + 1)
De:
QW .
Q .
= ( + + 1)
= V
− 1 → ( )
71)
= ( − ? ) − − 2 ? − ?V
= ( − ? ) − ( + 2 ? + ?V
)
= ( − ? ) − ( + ? )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
= "( − ? ) − ( + ? )#" ( − ? ) + ( + ? )#
= " ( − ? )-1][ − ? + 1#
= = ( − ? ) − 1 = + ?V
− 2 ? − 1
= (2) − 2 ? − 1 = 1 − 2 ? − − − − − ( )
Además E:
= ( − ? ) − ( + ? )
E = − 2 ? + ?V
− − 2 ? − ?V
= −4 ? − − − − − − − ( )
(a) =(b)
1 − 2 ? = −4 ? → − 2 ? = 1 --------©
= 1 − 2 ? = 1— 1 = 2
= 2 → ( )
72)
= → − = 0
( − )( + + ) = 0
≠ → + + = 0 → + = − − − − −( )
( ) 2B :
=
( )
=
E = = − = −
.
= −
1
3
→ (-)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
73)
=
( )
+
( P)
P
+
( P )
P
= +
. P eP
P
+
eP V P
P
= − 4 + +
P
− 12 +
eP
+
eP
− 6 +
P
= : +
9
; + :
4
+
9
; + :
4
+ ; − 22
= (
eP
) + :
eP
; + : P
; − 22 − − − −( )
De: a+4b+9c = 0
X
+ 9 = −4
4 + 9 = −
+ 4 = −9
-----------------(b)
( ) 2B :
= − − −
eP
P
− 22 = −4 − 1 − 9 − 22
= −36 → ( )
74)
+ ? + L = 0 → X
+ ? = −L
+ L = −?
? + L = −
− − − − − ( )
( ) 2B :
=
(Q  u) (Q u ) ( u Q)
Q  u
=
( u u) (  ) ( Q Q)
Q  u
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
=
eu e eQ
Q  u
=
e(Q  u )
Q  u
= 9
= 9 → ( )
75)
=
"( + ?) + ( − ?) # − 4( − ? )
( + ? ) − ( − ? )
=
(Q Q  Q Q  ) (Q  )
QW Q== W QW Q==W
=
( Q  ) (Q  )
Q==
=
" Q  (Q  )#" Q  (Q  )#
Q==
=
(  )( Q )
Q==
=
Q
=
Q
→ ( )
76)
De:
( + + ) = 3( + + )( + + ) − 2( + + ) + 6 −
− − − − − − −EK4ED2- -
( + + ) = 3( + + )(6)-2(-8) +6(2)
( + + ) = 18( + + ) + 16 + 12
( + + ) − 18( + + ) − 28 = 0
Haciendo: + + =
− 18 − 28 = 0;
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
(x+2) ( − 2 − 14) = 0
+ 2 = 0 → + + = −2 − − − −( )
+ + = −2 → ( + + ) = −8
+ + + 3( + + )( + + ) − 3 = −8
−8 + 3 (−2)( + + ) − 3(2) = −8
− 6 ( + + ) = 6
+ + = −1 − − − − − ( )
( ) 202H B-4 0 1 4:
( + + ) = −1 →
+ + + 3( + + ) ( + + ) − 3 = −1
Como E = + +
+ 3(−1)Y ( ) + ( ) + ( )Z − 3(2) = −1
− 3Y ( + + )Z − 6 = −1
− 3 "2 (−2)# = 5
= 5 − 12
= −7 → ( )
77)
[ + ? + ? + [ − ? + ? = ? − − − −( )
= [ + ? + ? − [ − ? + ? = ?
( ) E4K :
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
? = ([ + ? + ? + [ − ? + ? )([ + ? + ? −
[ − ? + ? )
? = ( + ? + ? ) − ( − ? + ? )
? = + ? + ? − + ? − ?
? = 2 ?
= 2 → (-)
78)
( + 1)( + 1) = ( + ) + 1
+ + + 1 = + 2 + + 1
+ = + +
= ( + ) − ( + ) =( + ) − ( + )
= ( + )(1 − ) − − − − − −( )
+ = + + → = ( + ) − ( + )
= ( + )(1 − ) − − − − − −( )
( ) ? ( ) 2B ;
=
( .)
( .)
=
( .)
( )( .)( .)
=
( )( .)
=
( )( .)
( )( .)
= 1 → ( )
79)
Dividiendo entre sí los datos dados:
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
( )( )
( )
=
<<<
U
2+
2
=
.U
+ = :
222
105
; − − − − − − − ( )
= ( ) = ; (a) en E:
=
:
222
105
; +2
:
222
105
; −2
=
'=
8|S
8
8|S
=
.
= 36 → ( )
80)
.
+
.
P
=
P
P
P( )
=
P
→ ( − + )( − + ) = 4 ( − )
( − + ) = 4 ( − )
+ + + 2 − 2 − 2 = 4 − 4
+ + − 2 − 2 + 2 = 0
( + − ) = 0 → + − = 0
= + − − − − − − − ( )
=
P
+
P
+
P
P
; (a) en E:
= +
P
P
+
P
P P
= + 1 +
P
P
= 1 + 1 + 1
= 3 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
81)
+ + 34 = 10 + 6
( − 10 + 25) + ( − 6 + 9) = 25 + 9 − 34
( − 5) + ( − 3) = 0
}
− 5 = 0
− 3 = 0
→ = 5 ? = 3
E = + + = (5)(3) + 5 + 3 = 15 + 8
= 23 → ( )
82)
+ 2 ? = 1
Sumando 1 a cada lado:
+ 1 = 2 − 2 ? = 2(1 − ?) − − − − − −( )
+ 2 ? = 1 → + 2 ? + ? = 1 + ?
( + ?) = 1 + ? − − − − − ( )
(a) y (b) en E:
= 2 [1 + ? +
 (. Q )
[. 
=
Q(.  ) (. Q )
[. 
=
Q Q ( Q)
[. 
=
Q Q  Q
[. 
=
(Q )
[. 
=
(Q )
[(Q )
=
(Q )
(P )
= 2
= 2 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
83)
= + ? − 12
+ ? = 5 → + ? + 2 ? = 25
( + ? ) + 2 ? = 25
11+2xy =25 → ? = 7 − − − −( )
= ( + ? ) − 12
= ( + ?)( − ? + ? ) − 12
(a) Y las hipótesis en E:
= (5)(11 − 7) − 12
= 20 − 12
= 8 → ( )
84)
( + ) + ( − ) = 4
+ 2 + + − 2 + = 4
2 − 4 + 2 = 0 → − 2 + = 0
+( − ) = 0 → =
=
( )=
= =
=
( )=
= =
=
< =
=
= 4 → ( )
85)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
− = − = 2
= − 2
= − 2 − − − − − − − ( )
= + + − − −
= ( + 2) + + ( − 2) − ( + 2) − ( − 2) − ( + 2)( − 2)
= + 4 + 4 + + − 4 + 4 − − 2 − + 2 − + 4
= 12 → (-)
86)
.
Q
+
.

= →
Q 
Q 
=
+ ? = ?
? = → + ? = − − − − − ( )
De:
( + ?) =
= + 2 ? + ? ; -2 ( ):
= ( + ? ) + 2 ?
= + 2b
= ( + 2) → ( )
87)
+ + = 0 → + = − → ( + ) =
+ 2 + = → − 2 + 2 + 2 + =
− 2 + = − 4
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
( − ) = ( − ) = − 4 − − − − − −( )
+ + = 0 → + = − → ( + ) =
+ 2 + = → − 2 + 2 + 2 + =
− 2 + = − 4
( − ) = − 4 − − − − − −( )
+ + = 0 → + = − → ( + ) =
+ 2 + = → − 2 + 2 + 2 + =
− 2 + = − 4
( − ) = − 4 − − − − − −( )
( ), ( ) ? ( ) 2B ;
=
( )
(P )
+
( P)
P( P)
+
(P )
P( P)
=
2
−4
( 2−4 )
+
2
−4
P( 2−4 )
+
2
−4
P( 2
−4 )
=
.
+
.
P
+
.
P
=
P
P
=
P
P
=
U
P
= 0 → ( )
88)
+ + = 0 → ( + + ) = 3 − − − −( )
X
+ = −
+ = −
+ = −
---------------(b)
(a) y (b) en E:
= ( + − ) + ( + − ) + ( + − )
= (− − ) + (− − ) + (− − )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
= (16 ) + 16 + 16
= 16 ( + + )
= 16 :
.
; (3 ) = 16.3 :
.
; (
.
)
= 3 → ( )
89)
.U .U
+ 16 .U .U
= 41
8|
8|
+ 16.
8|
8|
= 41
U
+ 16 U
= 41 .U .U
→ U
+ 8 .U .U
+ 16 U
= 41 .U .U
+ 8 .U .U
U
+ 8 .U .U
+ 16 U
= 49 .U .U
( .U
) + 8 .U .U
+ (4 .U
) = 49 .U .U
( .U
+ 4 .U
) = 49 .U .U
→ .U
+ 4 .U
= √49 .U .U
.U
+ 4 .U
= 7
( ) − 4 + (2 ) = 7 − 4
( − 2 ) = 3 → − 2 = √3
= $
5−2 5
√
S
= $
[3 5 5
√
S
= )$
3 5 5
S
= √ 5 5
8|
= √ → ( )
90)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
De:
( + + ) = + + + 2( + + ) − − − −( )
( + + ) = + + + 3( + + )( + + ) − 3
( + + ) = 3 + 3( + + )( + + ) − 3 − − − −( )
( + + ) = 2 + 2( + + ) − − − − − ( )
(a+b+c) por (c) :
( + + )( + + ) = 2( + + ) + 2( + + )( + + )
( + + ) = 2( + + ) + 2( + + )( + + ) − − − (-)
( ) 2B (-):
3 + 3( + + )( + + ) − 3 = 2( + + ) + 2( + + )( + +
)
3+ ( + + )( + + ) − 3 = 2( + + )
( + + )( + + ) = 3 − 3 + 2( + + ) − − − −(2)
(e) en E:
=
( P)( P P)
. P
=
( P) ( P)( P P)
. P
=
( P) {3 −3+2( + + )}
. P
=
( P) P ( P)
. P
=
P
. P
=
(. P)
( P)
= 3 → (-)
101)
~ =
V9 .
9
=
9
9
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
~ =
9
9
~ = BúO2K4 -2 GéKODB4A
~ = 5 → ( )
102)
~ = BúO2K4 -2 GéKODB4A
~ =
9 .
9 <
=
9
9 e
(4B + 12)(B − 9) = (4B − 3)(B − 8)
4B − 24B − 108 = 4B − 35B + 24
11B = 132 → B = 12
~ =
(. ) .
. <
=
VU
= 15 → ( )
103)
• = ~. -2 GéKODB4A
• =
‚
=
‚
E = 1296
E = 36
• =
V
= 12 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
104)
• = ~. -2 GéKODB4A
• =
9
9 .
=
9 U
9
(3 + 5B)(B + 2) = (5B + 30)(B − 1)
5B + 13B + 6 = 5B + 25B − 30
12n = 36 ; n =3
• =
( )
.
=
.<
• = 9 → ( )
105)
GP = Q
→ • = DOE K
GP = ( u
)ƒ g
( )g .
= Q
2(h − 1) = 24
h = 13
• =
M
u
= 25 → L = 3
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
• =

= 25 → ? = 50
L (• − h) = → = 3(25 − 13) = 36
+ ? + L = 3 + 50 + 36
= 89 → (2)
106)
Gg = ( )„ g
(?M
)g .
Gg = 33 → …† = 309
5(~ − 33) + 7(33 − 1) = 309
5~ − 165 + 224 = 309
5 ~ = 250 ; ~ = 50
N = n = 50 → ( )
107)
N =n
Q=(QS)6 (S)6(8|)=
Q6m8 67
=
=
Q=QS6 S6=|
Q6m8 67
=
Q=7S6 =|7S6
Q6m8 67
~ =
9
9 .
=
U 9
9
(3 + 5B)(B + 2) = (30 + 5B)(B − 1)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
5B + 13B + 6 = 5B + 25B − 30
12B = 36 ; B = 3
~ =
9
9 .
=
.
= 9 → (^)
108)
Gg = G
QS S
Q 
=
=
( Q)S ( )S
Q 
G → −(2 ) . (3?) .
= −(2 ).(3?)
G → −54 ?
Coeficiente → −54 → ( )
109)
G< = ?
V9
9
=
U
= •
• = 10
6n = 10 (n-4) → 6B = 10B − 40
B = 10
QW| '|
QW '
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
G< = ( V
).U <
(? )< .
G< = .
? <
→ (-)
110)
GM → …† = 57
GM → ( M
)„ g
(?V
)g .
→ ( M
)„ M
(?V
)M .
→ ( M
)„ M
(?V
)V
→ ( M
)„ M
? V
7(~ − 7) + 36 = 57
7N -49 = 57-36
7N = 70 → ~ = 10
N = N. de términos = 10 → ( )
111)
Qˆ6 6‰
Qˆ ‰
=
(Qˆ)6 (‰)6
Qˆ ‰
t9
t
=
9
‚
= ~
~ = B
G → …† = 42
→ ( t
)„
(?‚
) .
→ O(~ − 5) + 4E = 42 − − − −( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
G< → …† = 45
→ ( t
)„ <
(?‚
)< .
→ O(~ − 8) + 7E = 45 − − − −( )
El grado relativo a “y” del término 7 es 21:
7p = 21 → E = 3
-2 ( ) ? ( ):
`
OB − 5O + 4E = 42
OB − 8O + 7E = 45
`
OB − 5O + 4(3) = 42
OB − 8O + 7(3) = 45
→ }
OB − 5O = 30
OB − 8O = 24
}
OB − 5O = 30
−OB + 8O = −24
3O = 6 → O = 2
O = 2 → (-)
112)
U.
=
g VU
g
→ BúO2K4 -2 GéKODB4A
4h =
.
. (3h + 60) → 8 h = 3h + 60
5h = 60 → h = 12
h + 1 =
= 12 + 1
= 145 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
113)
G → .MV V
• = ~. -2 GéKODB4A
• =
'Š
S‹mf
'Š 'Š
S‹mf S‹mf
=
( S‹mf)Œ ( S‹mf)Œ
S‹mf S‹mf
G = Y
‹ e
Z
ƒ
. (
‹ e
) .
Y
‹ e
Z
ƒ
. (
‹ e
) = .MV V
`
(• − 5)(5
− 9) = 176
4(5
− 9) = 64
5
− 9 = 16
16(• − 5) = 176 → • = 16
N = • = 16 → (-)
114)
Gg → …† = 252
Q8W|  +|
Q' R
=
(Q')'| (R)'|
Q' R
• = 40 GéKODB4A
Gg
= ( ) U g
(?M
)g .
4(40 − h) + 7(h − 1) = 252
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
160 − 4h + 7h − 7 = 252
3 k = 99 → h = 33
Lugar de Gg = 33 → ( )
115)
Como el denominador tiene signo (-) →
20 G2KODB4 16 GD2B2 AD3B4 (−)
G.V = −( ) . .V
. (?).V .
G.V = − .
.(?).
→ (-)
116)
• = ~]
• =
9 .
9 <
=
9
9 e
(4B + 12)(B − 9) = (4B − 3)(B − 8)
4B − 24B − 108 = 4B − 35B + 24
−24B − 108 = −35B + 24
11n = 132
B = 12
• =
(. ) .
. <
= 15
• = 15 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
117)
Q'ˆ Q'l
Q Qm=
=
(Q ) ˆ (Qm=)m(
'l
=
)
Q Qm=
←
G.U = ( )g .
. ( ) t g
G.U = g
. Vt g
G.U = g Vt g
; k=10
Al ser independiente de n :
U Vt U
= U
20 − 2 − 6O + 30 = 0
O = 8 → 2O = 16
- = 16 → = −12
(Q ) ˆ (Qm=)m(
'l
=
)
Q Qm=
=
(Q )8W (Qm=)8W
Q Qm=
Gg = ( ).V g
. ( )g .
contados desde la derecha
Gg = ( ).V g g
Para que sean racionales enteros -----el numerador ≥ 0
32 − 2h − 3h + 3 ≥ 0
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
35 ≥ 5h
5h ≤ 35 → h ≤ 7
N. términos racionales → 7 → ( )
118)
• =
<
t
= 4 → O = 2
Q+ .
Q .
=
(Q )' .
Q .
De:
O + O + O + − − − − − + O9
=
t678 t
t .
Oe
+ O<
+ OM
+ − − − − − − +O + 3 =
=
tf78 t
t .
+ 3
=
t8| t
t .
+ 3 =
t(tf .)
t .
+ 3
=
( f .)
.
+ 3
= 2.U
− 2 + 3
= 2.U
+ 1 → ( )
119)
Gg = GP − − − G2KODB4A DOE K2A
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
Qkl Qklml
Qk Qkm8
=
(Qk)l (Qkm8)l
Qk Qkm8
K =
.
GP = ( )
l78
. ( .
)
l78
.
GP = ( )
lm8
. ( .
)
lm8
GP = ( . .
)
lm8
GP = ( .
)
lm8
GP = ( .
)
lm8
GA : ( − 1)(2 − 1) = 30
( − 1)(2 − 1) = 30
a < b:
b -1= par → (2 − 1) 2A DOE K
b-1=2 b= 3 y 2 − 1 = 15 → = 8
b-1 =6 b = 7 y 2a -1 = 5 → = 3
b-1 =10 b= 11 y 2a -1 = 3 → = 2
b-1 = 30 b= 31 y 2a -1 = 1 → = 1
= 7 → ~. -2 GéKODB4A → ( )
120)
(Q )6 6
Q
=
(Q )6 6
(Q )
(Q )6 6
(Q )
= ( + )9 .
+ ( + )9
. + ( + )9
. −
− − − + 9 .
El termino independiente → = 0
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
]• = 9 .
+ 9
+ 9
+ − − − + 9 .
]• = 9 .
+ 9 .
+ 9 .
+ − − − − + 9 .
]• = B 9 .
→ (-)
121)
Q=67 S6m8
Q 6mS
=
(Q )
=67
(6mS)
S6m8
6mS
Q 6mS
9
=
9 .
9
3B − 13B − 10 = 10B − 2
3B -23n -8 =0
B =
± √ eV
V
=
±
V
→ b
B. = 8
B = −
.
B = 8
Gg = G.. = ( )
=67
..
. (?9 ).. .
G.. = ( )
=67
..
. (?9 ).U
G.. → ’“” ?
GA = 3B + 2 − 22 + 10B − 50
…† = 13B − 70 = 13(8) − 70
…† = 34 → ( )
122)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
• =
Ut
t .
=
Ut M
t
(20O + 35)(O − 3) = (20O − 57)(O + 1)
20O − 25O − 105 = 20O − 37O − 57
12 O = 48 → O = 4
• =
U( )
.
= 23
• = 23 → ( )
123)
Qkˆ 6
Q Qm=
=
(Q )
kˆ
(Qm=)m
l6
=
Q Qm=
-
9
=
t
→
G.U = ( )g .
. ( )
kˆ
.U
G.U = g U
=kˆ
→ U
2h − 2 + 30 −
t
= 0
2(10) − 2 + 30 −
t
= 0
t
= 48 → O = 32
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
B = −
t
= −48
(Q )
kˆ
(Qm=)m
l6
=
Q Qm=
=
(Q )8W (Qm=)8W
Q Qm=
Gg = ( ).V g
( )g .
32-2k +3-3k ≥ 0 → A2 4 GD2B2 G2KODB4A K D4B 02A 2BG2K4A
35 ≥ 5h → 5h ≤ 35
h ≤ 7
Número de términos = 7 → ( )
124)
Qˆ6 6
Qˆ 
=
(Qˆ)6 ()6
Qˆ 
; n = N. de términos
Gg = ( t
)9 g
. (?)g .
GA = m(n-k)+k-1
G = ( t
)9
. (?) → …† = 21
O (B − 4) + 3 = 21
OB − 4 O = 18 − − − − − − − ( )
Además: considerando el término 2 y el tres:
O(B − 2) + 1 − "O(B − 3) + 2# = 2
OB − 2O + 1 − OB + 3O − 2 = 2
m - 1=2 ; m = 3
De: OB − 4 O = 18
(3)B − 4(3) = 18
B = 10 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
125)
n =
t
=
‚
M
− − − − − − − (1)
GP = ?MU
→ ~. GéKODB4A DOE K2A
h =
9 .
Gg = ( )9
678
. (?M
)
678
.
Gg = ( )
6m8
. (?M
)
6m8
= ?MU
b
B − 1 =
M
(B − 1) = 70
M
= 70 → = 20
B = + 1 = 21 ; O = 2B = 42 ; E = 147
= E − 3O − 20
= 147 – 3(42) -20
= 1 → (-)
126)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
Qˆ Q6
Q' R
=
(Q')
ˆ
' (QR)
6
R
Q' R
t
=
9
M
Gg” GQ = ( )
ˆ
'
g
(?M
)g .
( )
ˆ
'
g
(?M
)g .
= ‚
? <
----------(a)
( )g .
(?M
)
ˆ
'
g
= .V
? (‚ V)
-----(b)
-2 ( );
}
4O − 16h = 4E
7h − 7 = 28
7h − 7 = 28 → h = 5
O − 20 = E − − − − − ( )
-2 ( ):
`
4h − 4 = 16
7O − 28h = 8E − 48
4 h − 4 = 16 → h = 5
7O − 28(5) = 8E − 48
7O − 8E = 92 ------- (d)
-2 ( ) ? (-);
`
8O − 8E = 160
−7O + 8E = −92
O = 68 ; E = O − 20 = 48
t
=
9
M
→ B = 7 :
t
; = 7(17) = 119
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
E = m +n+p
= 68 + 119 + 48
= 235 → (-)
127)
8||
S .
=
( S) | .
S .
† = G.V
G.V” ( ) U .V
. (1).V .
= U
De:
( |)88 ( ')88
| '
, A1 GéKOD 4 2BGK 0 A2Ká:
K =
.. .
= 6
GP = GV
GP = −( U
).. V
. ( )V .
GP = −( U
) . ( ) = − .UU U
→ ( )
128)
• =
9 .
9
=
‚
‚
• = 4 → 5B − 12 = 4B
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
B = 12
QS6m8 '‰
Q6 ‰
=
QS(8 )m8 (‰)'
Q8 ‰
=
Q'+ (‰)'
Q8 ‰
(Q8 )' (‰)
Q8 ‰
Gg = ( .
) g
. (?‚
)g .
( .
) g
. (?‚
)g .
= ?
`
48 − 12h = 24
Eh − E = 3
48 − 12h = 24 → 12 h = 24 → h = 2
Eh − E = 3 → E(2 − 1) = 3 → E = 3
= B + E
= 12 + 3 = 15 → ( )
129)
QRS =|
QS 
=
(QS)8S ( )8S
QS 
Gg = ( )g .
(? ). g
− − − -2 DLT1D2K- -2K2 ℎ
…† -2 h → 5 (h − 1) + 2(15 − h) = 40
5k -5 + 30-2 k = 40
3h = 15 → h = 5
Gg = GM P–9— p– p˜ p˜™˜Pš ›uœ•›˜™p
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
GM” ( ). M
(? )M .
GM” ( )<
(? )V
GM = U
?.
GM → …† = 40 + 12
…† = 52 → ( )
130)
Qk7lkl k=7l=7kl
(Q)kl k 7l
=
Qk7lkl k=7l=
.kl
Qklkl k 7l
=
kl(Qk7l k=7l=
)
kl(Qkl ‹k 7l
‹kl )
=
Qk7l k=7l=
Qkl k 7l mkl
• = =
= =
=
( )( )
( )
= +
.
= 1
= 1 → ( )
131)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
GP = 9 → ~] = • = 17
tŠ=m'| 9‹=m88'
tŠ 9‹
=
(tŠ)
Š=m'|
Š (9‹)
‹=m88'
‹
tŠ 9‹
17 =
Q=m'|
Q
=
=m88'

− 17 − 40 = 0 → 1A 4 ž j
(x-5)( + 5 + 8) − 0
→ − 5 = 0 ; = 5
Y :
? − 17? − 114 = 0 → 1A 4 ?ž j
(? − 6)(? + 6? + 19) = 0
→ ? − 6 = 0 ; ? = 6
t+S 98|
tS 9W
=
(tS)8R (9W)8R
tS 9W
GP = Ge
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
Ge = (O ).M e
. (BV
)e .
= O U
Bu
(O )<
. (BV
)<
= O U
Bu
48 = z
= + ? + L
= 5 + 6 + 48
= 59 → (-)
132)
N = número de términos = n
(Q )6 6
Q 
=
(Q )6 6
(Q ) 
Penúltimo término → ~ − 1
G„ . = ( + 2?)„ („ .)
. ?„ . .
( + 2?).)
. ?„
= ? + 2?V
(x+2y). ?„
= ? ( + 2?)
→ ~ − 2 = 5
~ = 7 = n → ( )
133)
• =
t
9
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
Qˆ7 ˆ7
Q6 6
=
(Q6)Œ (6)Œ
Q6 6
G U = −( 9
)ƒ U
(?9
).e
= − ? <
}
B(• − 20) = 2
19B = 38
B = 2
2 (• − 20) = 2 → • = 21
De: • =
t
9
21 =
t
→ O = 40
= O + B
= 40 + 2 = 42
= 42 → (-)
134)
(Q )=W Q=W
Q
=
(Q )=W Q=W
(Q ) Q
G e = ( + 3) V e
( ) e .
G e = ( + 3)M
( ) <
= −1 → G e = (−1 + 3)M
(−1) <
= 2M (1) = 128
= 128 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
135)
( ˆ)ˆ78 ( )ˆˆ
ˆ
→
Gg = ( t
)tˆ g( )g .
←
Gg = ( t
)g .( )tˆ g
O (Ot
− h) + h − 1 − "O(h − 1) + Ot
− h# = 4O − 4
O (Ot) − Oh + h − 1 − Oh + O − Ot
+ h = 4O − 4
O. Ot
− Ot
− 2Oh + 2h = 3O − 3
Ot(O − 1) − 2h(O − 1) = 3(O − 1)
Ot
− 2h = 3
h =
tˆ
ht›9 → Ot
− 3 = 0
Si m =3 ; h = 12
ht›9 = 12 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
136)
• =
t
=
9
= 8
O = 24 ? B = 40
Qˆ 6
Q= S
=
(Q=)+ (S)+
Q= S
G = ( )<
. (? ) .
G = ( ) .(? )
G = e
? U
→ ( )
137)
• =
Ut
t .
=
Ut M
t
(20O + 35)(O − 3) = (O + 1)(20O − 57)
20O − 25O − 105 = 20O − 37 − 57
12 m = 48 → O = 4
• =
U( )
.
• = ~] = 23 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
138)
• =
9 e
=
9
6B + 18 = 9B ; B = 6
Q=67f =6
Q= 
=
Q=(W)7f =(W)
Q= 
=
(Q=)f ( )f
Q= 
GP =
e .
= 5
GP = G = ( )e
(? ) .
GP = G = ( ) (? )
GP = G = .
?<
= 1 ? ? = 2 → GP = (1). (2)<
GP = 256 → ( )
139)
(Q )8' 8'
Q Q
=
(Q )8' 8'
(Q Q )
=
(Q )8' 8'
(Q )
=
"(Q ) #R ( )R
(Q )
• = ~. -2 GéKODB4A = 7
GP = Gg =
M .
= 4
G = −"( + ) #M
. ( ) .
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
G = −"( + ) # . ( )
G = −( + )V V
→ ( )
140)
Q8SS f=
QS =
=
(QS)=8 (=)=8
QS =
• = 31
Gg = ( ) . g
(? )g .
5(31-k) + 3(k-1)= 122
155 − 5h + 3h − 3 = 122 → h = 15
G. = ( ) . .
(? ). .
G. = ( ).V
(? ).
G. = <U
?
DE = diferencia de exponentes:
Ÿ = 80 − 42 = 38 → ( )
141)
Q6 .
Q .
=
G.U = 9 .U
1e
= 9 .U
G U = 9 U
1 e
= 9 U
G.UU = 9 .UU
1ee
= 9 .UU
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
G.U. G U. G.UU = V
( 9 .U
). ( 9 U). ( 9 .UU
) = V
9 .VU
= V
3B − 160 = 236
• = B = 132 → ( )
142)
• = 5 =
9
→ B = 15
G = ( ) (1) .
= V
G = ( ) (1) .
= 1
G + G = 1 + V
→ ( )
143)
Recuerde:
Como la diferencia de las X y de “y”de dos posiciones consecutivas es:
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
190-195 = - 5
147-140 = 7
El denominador del cociente es: − ?M
Q? ?
QS R
El exponente de las variables x e y será:
( )9
− (?M
)9
(QS)6 (R)6
QS R
Un término k y k+1 será:
Gg = ( )9 g
(?M
)g .
= .e
. ?. U
Gg . = ( )9 (g .)
(?M
)(g .) .
= .eU
. ?. M
}
5B − 5h = 195
7h − 7 = 140
7h − 7 = 140 → h = 21
5B − 5h = 195 → 5B − 5(21) = 195
B = 60 → (-)
144)
GP = œ
? → ~] = • → DOE K
M
‚
=
t
→ EO = 150
(Q‰)
RS
‰ ( )
ˆ
Q‰ 
GP = ( ‚
)
RS
‰
g
(? )g .
= œ
?
2h − 2 = 24 → h = 13
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
GP = G. → • = 25
• =
M
‚
=
t
; E = 3 ? O = 50
‚(M g‚)
‚
= T ; T = 75 − hE → T = 75 − (13)(3)
T = 36
= O + E + T
= 50 + 3 + 36
= 89 → (-)
145)
=6m= =6m=
Q
‰ m8 
‰ m8
• =
6
‰ .
=6m= =6m=
Q
‰ m8 
‰ m8
=
Q( ‰ m8)Œ ( ‰ m8)Œ
Q
‰ m8 
‰ m8
Gg = G = :
‰ .
;
ƒ
. (?
‰ .
).
= .U
?.
b
(• − 2)Y2‚
− 1Z = 210
2‚
− 1 = 15
15(• − 2) = 210 → • = 16
2‚
− 1 = 15 → 2‚
= 2
E = 4 → 4E = 16 − − − − − ( )
• =
6
‰ .
→ 16 =
6
‰ .
=
6
.
39
− 3 = 240 → 39
= 3
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
B = 5
De:
= $
‚ 9
= $
.V( )
= 4 → ( )
146)
Qk  '
Ql n
=
(Ql)
k
l (n)
'
n
Ql n
Gg = G.< = ( )
k
l
.<
(?P
).< .
( )
k
l
.<
(?P
).M
= ?.M
b :
.<
; = − 54
17 = 17
17 = 17 → = 1
− 18 = − 54 → = 3
Qk  '
Ql n
=
Qk  '
Q= 
= 24 → = 72
= + +
= 72 +3+1
= 76 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
147)
Qˆ 6
Q =
=
(Q )
ˆ
(=)
6
=
Q =
• =
t
=
9
Gg = GM
= ( )
ˆ
M
(? )M .
= ?
b
:
t
− 7; 2 =
18 =
O − 14 = 18 → O = 32
De:
t
=
9
→ 16 =
9
→ B = 48
(Q )
ˆ
(=)
6
=
Q =
=
(Q )8W (=)8W
Q =
G. = ( ).V .
. (? ). .
G. = ( ).
. (? ).
G. = ?
G. → …† = 2 + 42 = 44 → ( )
148)
Qk=m'| l=m88'
Qk l
GP = Ge → • = ~] = 17
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
= U
= 17 =
= ..
→ − 17 − 40 = 0
− 17 − 114 = 0
− 17 − 40 = 0 → ( − 5)( + 5 + 8) = 0
= 5
− 17 − 114 = 0 → ( − 6)( + 6 + 19) = 0
= 6 ž j
Qk=m'| l=m88'
Qk l
=
Q+S 8|
QS W
=
(QS)8R (W)8R
QS W
Ge = ( ).M e
(?V
)<
= U
?P
48 = c
= + +
= 5 + 6 + 48
= 59 → (-)
149)
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
8Sˆ7S| 8Sˆm8|
Qˆ78 ˆm
• =
. t U
t .
=
. t .U
t
(15O + 50)(O − 2) = (15O − 10)(O + 1)
15O + 20O − 100 = 15O + 5O − 10
15m = 90 → O = 6
8Sˆ7S| 8Sˆm8|
Qˆ78 ˆm
=
Q8'| +|
QR '
=
(QR) | (') |
QR '
Gg = ( M
) U g
(? )g .
7(20 − h) + 4(h − 1) = 85
140 – 7k +4k -4 =85
3h = 51 ; h = 17
Gg = 17 → ( )
150)
=| ˆ
Q6 
• =
U
9
=
t
= 10
O = 20 ; B = 3
=| ˆ
Q6 
=
Q=|  |
Q= 
=
(Q=)8| ( )8|
Q= 
= O + B
= 20 + 3
= 23 → ( )
ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.

More Related Content

What's hot

To mat diknas 1112 02
To mat diknas 1112 02To mat diknas 1112 02
To mat diknas 1112 02
Tri Bagus
 
เฉลยMetrix1
เฉลยMetrix1เฉลยMetrix1
เฉลยMetrix1
Noir Black
 

What's hot (17)

To mat diknas 1112 02
To mat diknas 1112 02To mat diknas 1112 02
To mat diknas 1112 02
 
31350052 introductory-mathematical-analysis-textbook-solution-manual
31350052 introductory-mathematical-analysis-textbook-solution-manual31350052 introductory-mathematical-analysis-textbook-solution-manual
31350052 introductory-mathematical-analysis-textbook-solution-manual
 
Capitulo 5 Soluciones Purcell 9na Edicion
Capitulo 5 Soluciones Purcell 9na EdicionCapitulo 5 Soluciones Purcell 9na Edicion
Capitulo 5 Soluciones Purcell 9na Edicion
 
V2.0
V2.0V2.0
V2.0
 
Task compilation - Differential Equation II
Task compilation - Differential Equation IITask compilation - Differential Equation II
Task compilation - Differential Equation II
 
Tugas Kalkulus Diferentiation
Tugas Kalkulus DiferentiationTugas Kalkulus Diferentiation
Tugas Kalkulus Diferentiation
 
Determinantes 2 ano
Determinantes 2 anoDeterminantes 2 ano
Determinantes 2 ano
 
C6 6.4
C6 6.4C6 6.4
C6 6.4
 
Integral table
Integral tableIntegral table
Integral table
 
Tarea 1 vectores, matrices y determinantes laura montes
Tarea 1   vectores, matrices y determinantes laura montesTarea 1   vectores, matrices y determinantes laura montes
Tarea 1 vectores, matrices y determinantes laura montes
 
Algebra and Trigonometry 9th Edition Larson Solutions Manual
Algebra and Trigonometry 9th Edition Larson Solutions ManualAlgebra and Trigonometry 9th Edition Larson Solutions Manual
Algebra and Trigonometry 9th Edition Larson Solutions Manual
 
เฉลยMetrix1
เฉลยMetrix1เฉลยMetrix1
เฉลยMetrix1
 
Ejercicio 211 del libro de baldor
Ejercicio 211 del libro de baldorEjercicio 211 del libro de baldor
Ejercicio 211 del libro de baldor
 
Ejercicio 211 del libro de Baldor
Ejercicio 211 del libro de BaldorEjercicio 211 del libro de Baldor
Ejercicio 211 del libro de Baldor
 
Potencias, radicales y ecuaciones exponenciales widmar aguilar
Potencias, radicales y ecuaciones exponenciales  widmar aguilarPotencias, radicales y ecuaciones exponenciales  widmar aguilar
Potencias, radicales y ecuaciones exponenciales widmar aguilar
 
Algebra preuniversitaria widmar aguilar
Algebra preuniversitaria  widmar aguilarAlgebra preuniversitaria  widmar aguilar
Algebra preuniversitaria widmar aguilar
 
Kelantan mtambahan + skema
Kelantan mtambahan + skemaKelantan mtambahan + skema
Kelantan mtambahan + skema
 

Similar to Ejercicios productos cocientes notables-widmar aguilar

Jawapan matriks spM LATIH TUBI 2015
Jawapan matriks spM LATIH TUBI 2015Jawapan matriks spM LATIH TUBI 2015
Jawapan matriks spM LATIH TUBI 2015
aloysiusapat
 
Ma5 vector-u-s54
Ma5 vector-u-s54Ma5 vector-u-s54
Ma5 vector-u-s54
S'kae Nfc
 
Pembahasan ujian nasional matematika ipa sma 2013
Pembahasan ujian nasional matematika ipa sma 2013Pembahasan ujian nasional matematika ipa sma 2013
Pembahasan ujian nasional matematika ipa sma 2013
mardiyanto83
 
7 วิชา คณิต the brain
7 วิชา คณิต   the brain7 วิชา คณิต   the brain
7 วิชา คณิต the brain
Jamescoolboy
 
ข้อสอบคณิตศาสตร์
ข้อสอบคณิตศาสตร์ข้อสอบคณิตศาสตร์
ข้อสอบคณิตศาสตร์
Jamescoolboy
 

Similar to Ejercicios productos cocientes notables-widmar aguilar (20)

Ernest f. haeussler, richard s. paul y richard j. wood. matemáticas para admi...
Ernest f. haeussler, richard s. paul y richard j. wood. matemáticas para admi...Ernest f. haeussler, richard s. paul y richard j. wood. matemáticas para admi...
Ernest f. haeussler, richard s. paul y richard j. wood. matemáticas para admi...
 
Solucionario de matemáticas para administación y economia
Solucionario de matemáticas para administación y economiaSolucionario de matemáticas para administación y economia
Solucionario de matemáticas para administación y economia
 
Examens math
Examens mathExamens math
Examens math
 
Jawapan matriks spM LATIH TUBI 2015
Jawapan matriks spM LATIH TUBI 2015Jawapan matriks spM LATIH TUBI 2015
Jawapan matriks spM LATIH TUBI 2015
 
TEMPERATURA_CALOR_MAIZTEGUI.pdf
TEMPERATURA_CALOR_MAIZTEGUI.pdfTEMPERATURA_CALOR_MAIZTEGUI.pdf
TEMPERATURA_CALOR_MAIZTEGUI.pdf
 
Ma5 vector-u-s54
Ma5 vector-u-s54Ma5 vector-u-s54
Ma5 vector-u-s54
 
Pagina 029
Pagina 029 Pagina 029
Pagina 029
 
008 math a-net
008 math a-net008 math a-net
008 math a-net
 
008 math a-net
008 math a-net008 math a-net
008 math a-net
 
Pembahasan ujian nasional matematika ipa sma 2013
Pembahasan ujian nasional matematika ipa sma 2013Pembahasan ujian nasional matematika ipa sma 2013
Pembahasan ujian nasional matematika ipa sma 2013
 
Solution Manual : Chapter - 01 Functions
Solution Manual : Chapter - 01 FunctionsSolution Manual : Chapter - 01 Functions
Solution Manual : Chapter - 01 Functions
 
Solucionario c.t. álgebra 5°
Solucionario c.t.   álgebra 5°Solucionario c.t.   álgebra 5°
Solucionario c.t. álgebra 5°
 
workbook_full_solutions_2.pdf
workbook_full_solutions_2.pdfworkbook_full_solutions_2.pdf
workbook_full_solutions_2.pdf
 
7 วิชา คณิต the brain
7 วิชา คณิต   the brain7 วิชา คณิต   the brain
7 วิชา คณิต the brain
 
ข้อสอบคณิตศาสตร์
ข้อสอบคณิตศาสตร์ข้อสอบคณิตศาสตร์
ข้อสอบคณิตศาสตร์
 
College algebra Assignment
College algebra AssignmentCollege algebra Assignment
College algebra Assignment
 
12 cbse-maths-2014-solution set 1
12 cbse-maths-2014-solution set 1 12 cbse-maths-2014-solution set 1
12 cbse-maths-2014-solution set 1
 
integrales.pdf
integrales.pdfintegrales.pdf
integrales.pdf
 
Tabla de-integrales
Tabla de-integralesTabla de-integrales
Tabla de-integrales
 
3d. Pedagogy of Mathematics (Part II) - Algebra (Ex 3.4)
3d. Pedagogy of Mathematics (Part II) - Algebra (Ex 3.4)3d. Pedagogy of Mathematics (Part II) - Algebra (Ex 3.4)
3d. Pedagogy of Mathematics (Part II) - Algebra (Ex 3.4)
 

More from Widmar Aguilar Gonzalez

More from Widmar Aguilar Gonzalez (20)

CONSERVACION_ENERGIA_RESNICK.pdf
CONSERVACION_ENERGIA_RESNICK.pdfCONSERVACION_ENERGIA_RESNICK.pdf
CONSERVACION_ENERGIA_RESNICK.pdf
 
LEYES_NEWTON_RESNICK.pdf
LEYES_NEWTON_RESNICK.pdfLEYES_NEWTON_RESNICK.pdf
LEYES_NEWTON_RESNICK.pdf
 
APLICACIONES_LEYES_NEWTON_ZEMANSKY.pdf
APLICACIONES_LEYES_NEWTON_ZEMANSKY.pdfAPLICACIONES_LEYES_NEWTON_ZEMANSKY.pdf
APLICACIONES_LEYES_NEWTON_ZEMANSKY.pdf
 
conservacion_ENERGIA__SERWAY.pdf
conservacion_ENERGIA__SERWAY.pdfconservacion_ENERGIA__SERWAY.pdf
conservacion_ENERGIA__SERWAY.pdf
 
APLICACIONES_NEWTON_CIRCULAR_SERWAY.pdf
APLICACIONES_NEWTON_CIRCULAR_SERWAY.pdfAPLICACIONES_NEWTON_CIRCULAR_SERWAY.pdf
APLICACIONES_NEWTON_CIRCULAR_SERWAY.pdf
 
CINEMATICA_CURVILINEO_RUSEEL.pdf
CINEMATICA_CURVILINEO_RUSEEL.pdfCINEMATICA_CURVILINEO_RUSEEL.pdf
CINEMATICA_CURVILINEO_RUSEEL.pdf
 
LEYES NEWTON_HIBBERLEL.pdf
LEYES NEWTON_HIBBERLEL.pdfLEYES NEWTON_HIBBERLEL.pdf
LEYES NEWTON_HIBBERLEL.pdf
 
transistor_saturacion.pdf
transistor_saturacion.pdftransistor_saturacion.pdf
transistor_saturacion.pdf
 
EJERCICIOS_transistor_zona_activa.docx
EJERCICIOS_transistor_zona_activa.docxEJERCICIOS_transistor_zona_activa.docx
EJERCICIOS_transistor_zona_activa.docx
 
DINAMIICA_PARTICULA_RESNICK.pdf
DINAMIICA_PARTICULA_RESNICK.pdfDINAMIICA_PARTICULA_RESNICK.pdf
DINAMIICA_PARTICULA_RESNICK.pdf
 
MOVIMIENTO_CURVILINEO_SEMANSKY.pdf
MOVIMIENTO_CURVILINEO_SEMANSKY.pdfMOVIMIENTO_CURVILINEO_SEMANSKY.pdf
MOVIMIENTO_CURVILINEO_SEMANSKY.pdf
 
MOVIMIENTO_COMPUESTO_CIRCULAR+MAIZTEGUI_SABATO.pdf
MOVIMIENTO_COMPUESTO_CIRCULAR+MAIZTEGUI_SABATO.pdfMOVIMIENTO_COMPUESTO_CIRCULAR+MAIZTEGUI_SABATO.pdf
MOVIMIENTO_COMPUESTO_CIRCULAR+MAIZTEGUI_SABATO.pdf
 
HIDROSTATICA_problemas_alonso.pdf
HIDROSTATICA_problemas_alonso.pdfHIDROSTATICA_problemas_alonso.pdf
HIDROSTATICA_problemas_alonso.pdf
 
VELOCIDAD_RELATIVA_SERWAY.pdf
VELOCIDAD_RELATIVA_SERWAY.pdfVELOCIDAD_RELATIVA_SERWAY.pdf
VELOCIDAD_RELATIVA_SERWAY.pdf
 
VECTORES_RESNICK.pdf
VECTORES_RESNICK.pdfVECTORES_RESNICK.pdf
VECTORES_RESNICK.pdf
 
TEMPERATURA_CALOR_alonso_acosta.pdf
TEMPERATURA_CALOR_alonso_acosta.pdfTEMPERATURA_CALOR_alonso_acosta.pdf
TEMPERATURA_CALOR_alonso_acosta.pdf
 
MOVIMIENTO_RECTILINEO_SEMANSKY.pdf
MOVIMIENTO_RECTILINEO_SEMANSKY.pdfMOVIMIENTO_RECTILINEO_SEMANSKY.pdf
MOVIMIENTO_RECTILINEO_SEMANSKY.pdf
 
MOVIMIENTO_CURVILINEO_RESNICK.pdf
MOVIMIENTO_CURVILINEO_RESNICK.pdfMOVIMIENTO_CURVILINEO_RESNICK.pdf
MOVIMIENTO_CURVILINEO_RESNICK.pdf
 
MOVIMIENTO_CURVILINEO_ALVARENGA.pdf
MOVIMIENTO_CURVILINEO_ALVARENGA.pdfMOVIMIENTO_CURVILINEO_ALVARENGA.pdf
MOVIMIENTO_CURVILINEO_ALVARENGA.pdf
 
MOVIMIENTO_ALVARENGA.pdf
MOVIMIENTO_ALVARENGA.pdfMOVIMIENTO_ALVARENGA.pdf
MOVIMIENTO_ALVARENGA.pdf
 

Recently uploaded

The basics of sentences session 2pptx copy.pptx
The basics of sentences session 2pptx copy.pptxThe basics of sentences session 2pptx copy.pptx
The basics of sentences session 2pptx copy.pptx
heathfieldcps1
 
1029 - Danh muc Sach Giao Khoa 10 . pdf
1029 -  Danh muc Sach Giao Khoa 10 . pdf1029 -  Danh muc Sach Giao Khoa 10 . pdf
1029 - Danh muc Sach Giao Khoa 10 . pdf
QucHHunhnh
 
1029-Danh muc Sach Giao Khoa khoi 6.pdf
1029-Danh muc Sach Giao Khoa khoi  6.pdf1029-Danh muc Sach Giao Khoa khoi  6.pdf
1029-Danh muc Sach Giao Khoa khoi 6.pdf
QucHHunhnh
 
Seal of Good Local Governance (SGLG) 2024Final.pptx
Seal of Good Local Governance (SGLG) 2024Final.pptxSeal of Good Local Governance (SGLG) 2024Final.pptx
Seal of Good Local Governance (SGLG) 2024Final.pptx
negromaestrong
 
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in DelhiRussian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
kauryashika82
 

Recently uploaded (20)

INDIA QUIZ 2024 RLAC DELHI UNIVERSITY.pptx
INDIA QUIZ 2024 RLAC DELHI UNIVERSITY.pptxINDIA QUIZ 2024 RLAC DELHI UNIVERSITY.pptx
INDIA QUIZ 2024 RLAC DELHI UNIVERSITY.pptx
 
Class 11th Physics NEET formula sheet pdf
Class 11th Physics NEET formula sheet pdfClass 11th Physics NEET formula sheet pdf
Class 11th Physics NEET formula sheet pdf
 
Unit-V; Pricing (Pharma Marketing Management).pptx
Unit-V; Pricing (Pharma Marketing Management).pptxUnit-V; Pricing (Pharma Marketing Management).pptx
Unit-V; Pricing (Pharma Marketing Management).pptx
 
Nutritional Needs Presentation - HLTH 104
Nutritional Needs Presentation - HLTH 104Nutritional Needs Presentation - HLTH 104
Nutritional Needs Presentation - HLTH 104
 
Introduction to Nonprofit Accounting: The Basics
Introduction to Nonprofit Accounting: The BasicsIntroduction to Nonprofit Accounting: The Basics
Introduction to Nonprofit Accounting: The Basics
 
APM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across SectorsAPM Welcome, APM North West Network Conference, Synergies Across Sectors
APM Welcome, APM North West Network Conference, Synergies Across Sectors
 
The basics of sentences session 2pptx copy.pptx
The basics of sentences session 2pptx copy.pptxThe basics of sentences session 2pptx copy.pptx
The basics of sentences session 2pptx copy.pptx
 
fourth grading exam for kindergarten in writing
fourth grading exam for kindergarten in writingfourth grading exam for kindergarten in writing
fourth grading exam for kindergarten in writing
 
Código Creativo y Arte de Software | Unidad 1
Código Creativo y Arte de Software | Unidad 1Código Creativo y Arte de Software | Unidad 1
Código Creativo y Arte de Software | Unidad 1
 
Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17Advanced Views - Calendar View in Odoo 17
Advanced Views - Calendar View in Odoo 17
 
1029 - Danh muc Sach Giao Khoa 10 . pdf
1029 -  Danh muc Sach Giao Khoa 10 . pdf1029 -  Danh muc Sach Giao Khoa 10 . pdf
1029 - Danh muc Sach Giao Khoa 10 . pdf
 
Paris 2024 Olympic Geographies - an activity
Paris 2024 Olympic Geographies - an activityParis 2024 Olympic Geographies - an activity
Paris 2024 Olympic Geographies - an activity
 
Mehran University Newsletter Vol-X, Issue-I, 2024
Mehran University Newsletter Vol-X, Issue-I, 2024Mehran University Newsletter Vol-X, Issue-I, 2024
Mehran University Newsletter Vol-X, Issue-I, 2024
 
1029-Danh muc Sach Giao Khoa khoi 6.pdf
1029-Danh muc Sach Giao Khoa khoi  6.pdf1029-Danh muc Sach Giao Khoa khoi  6.pdf
1029-Danh muc Sach Giao Khoa khoi 6.pdf
 
SOCIAL AND HISTORICAL CONTEXT - LFTVD.pptx
SOCIAL AND HISTORICAL CONTEXT - LFTVD.pptxSOCIAL AND HISTORICAL CONTEXT - LFTVD.pptx
SOCIAL AND HISTORICAL CONTEXT - LFTVD.pptx
 
Seal of Good Local Governance (SGLG) 2024Final.pptx
Seal of Good Local Governance (SGLG) 2024Final.pptxSeal of Good Local Governance (SGLG) 2024Final.pptx
Seal of Good Local Governance (SGLG) 2024Final.pptx
 
ICT Role in 21st Century Education & its Challenges.pptx
ICT Role in 21st Century Education & its Challenges.pptxICT Role in 21st Century Education & its Challenges.pptx
ICT Role in 21st Century Education & its Challenges.pptx
 
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in DelhiRussian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
Russian Escort Service in Delhi 11k Hotel Foreigner Russian Call Girls in Delhi
 
PROCESS RECORDING FORMAT.docx
PROCESS      RECORDING        FORMAT.docxPROCESS      RECORDING        FORMAT.docx
PROCESS RECORDING FORMAT.docx
 
SECOND SEMESTER TOPIC COVERAGE SY 2023-2024 Trends, Networks, and Critical Th...
SECOND SEMESTER TOPIC COVERAGE SY 2023-2024 Trends, Networks, and Critical Th...SECOND SEMESTER TOPIC COVERAGE SY 2023-2024 Trends, Networks, and Critical Th...
SECOND SEMESTER TOPIC COVERAGE SY 2023-2024 Trends, Networks, and Critical Th...
 

Ejercicios productos cocientes notables-widmar aguilar

  • 1. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. EJERCICIOS RESUELTOS DE ALGEBRA PREUNIVERSITARIA PRODUCTOS Y COCIENTES NOTABLES Ing. WIDMAR AGUILAR, Msc Febrero 2021
  • 2. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. Se puede utilizar la siguiente información:
  • 3. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
  • 4. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
  • 5. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
  • 6. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. Además:
  • 7. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.
  • 8. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 1) De; = → ( + ) = 4 + 2 + = 4 → − 2 + = 0 ( − ) = 0 → = = √ + = √ + = + 1 = 1 + 1 = 2 → ( ) 2) De: + = 1 ; ( + ) = 1 + 2 + = 1 → + = 1 − 2 … … . (1) ( + ) = 1 ; + 3 + 3 + − 1 + = 1 − 3 ( + ) + = 1 − 3 (1) + = 1 − 3 … … … … . . (2) Reemplazando (1) y (2) en la expresión a calcular: = 6( + ) − 4( + ) = 6(1 − 2 ) − 4(1 − 3 ) = 6 − 12 − 4 + 12 = 2 → ( )
  • 9. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 3) Multiplicando entre sí las expresiones: Eb = √ + + √ − ! √ + − √ − ! = "( + ) − ( − )# = + − + = 2 = 2 → ( ) 4) Sumando 2 a cada miembro de: $ + $ = 7 → $ + 2$ = 5 ($ ' + $ ' ) = 9 → $ ' + $ ' = 3 ----(1) Sumando a la expresión (1), -2 a cada lado: $ ' − 2 + $ ' = 3 − 2 $ ' − 2 + $ ' = 1 ()$ ' - )$ ' ) = 1 *$ + − $ + , = 1 → -)
  • 10. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 5) . + . = → = ( + ) = 4 → + 2 + = 4 − 2 + = 0 → ( − ) − 0, 01234: = --------(1) Reemplazando (1) en E; = $ ( )678 678 678 6 = $ ( )678 678 6 = $ . 6. 678 678 6 = √29 6 = 2 → ( ) 6) ( + ) = 1 → ( + ) = 1 ( + + 3 + 3 ) = 1 ( + ) + 3 + 3 = 1 Como E = ( + ) + 3 ( + ) = 1 → + 3 : . ; = 1 = 1 − 3 ……………………(a) De : = ( + ) = ( + )( − + ) = ( . )( ( − + ) = ( − + ) = ( + ) − = ( + ) − = 2 − --------(b)
  • 11. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. Igualando las ecuaciones (a) y (b): 1 − 3 = 2 − = −0,5 Reemplazando en (b), = 2 − (−0,5) = 2,5 → ( ) 7) < − = 6(2 − ) < = = = 6(2 − ) → 8 − = 6 92 − ), factorizando: (2 − ) (4 + 2 + ) = 6 (2 − ) 4 + 2 + = 6 4 − 4 + = 0 → (2 − ) = 0 = 2 , luego: E = 4( + ) = 4 : + ; = 4 : . + 2; = 4 : ; = 10 → ( ) 8) Desarrollando la expresión E; = + ? + 3 ?( + ?) − 18( + ?) + 20 = + ? + ( + ?)(3 ? − 18) + 20 @A B-4 0 A ℎDEóG2ADA, A2 GD2B2: = (10) + ( + ?)(3(6) − 18) + 20
  • 12. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = 10 + 20 = 30 → ( ) 9) + = − . → = − . 4 + 4 = − + 4 + 4 = 0 → ( + 2 ) = 0 = −2 Utilizando E: = + < = 1 + 2 = 3 → ( ) 10) $ = + $ = = 3 ; 2; 202H B-4 0 1 4, ( $ = + $ = ) = 27 + + 3$ . = ($ = + $ = ) =27 + = 27 − 3(3) + = 18 − 2 + = 18 − 2 → ($ − $ ) = 16 Sacando la raíz cuadrada de cada lado,
  • 13. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. $ − $ = 4 = $ − $ = 4 → (2) 11) ( − ) = 3 ; ( + ) = 7 Elevando al cuadrado a ( − ) = 3 . ( − ) = 9 ( − 2 + ) = 9 ( + ) − 2 = 9, como ( + ) = 7: 7 - 2 = 9 → = −1 → = −1 = 1 ………………..(a) Como E = ( + + ) , sumando y estando , = ( + + − + ) = "( + 2 + ) − } = "( + ) − # ; J G4KDL B-4: = ( + − )( + + ) Usando: → = −1 ? = 1 , se tiene: = (1)( M + 1)( M − 1) = : M . + 1; : M . − 1; = (8)(6) = 48 12)
  • 14. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. Reduciendo el numerador y denominador: ( + ) + + = + 4 + 6 + 4 + + + = 2 + 2 + 4 + 6 + 4 = 2( + + 3 + 2 + 2 ) {( − ) + ( + ) + 2 } = = ( − 2 + + + 2 + + 2 ) = (2 + 2 + 2 ) = 4( + + ) = 4" + + + 2( + + )# = 4( + + 3 +2 + 2 ) = ( ' ' = =) ( ' ' = =) = . → ( ) 13) + + = 3 ; -2A 4OE4BD2B-4 20 3 2B 1 ? 2; + + = 1 + 2 + ( − 1) + ( -2) =0 ; elevando todo al cubo, " + ( − 1) + ( − 2)# = 0 + ( − 1) + ( − 2) = 3( )( − 1)( − 2) ….propiedad = = ( .)= (P )= ( .)(P ) = ( )( .)(P ) ( .)(P = 3 = 3 → ( )
  • 15. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 14) = QR QS Q= QS = Q= QS ( − + 1) --------(1) De: − 3 + 1 = 0 → + 1 = 3 ; 202H B-4 0 1 -K -4: ( + 1) = 9 → + 1 + 2 = 9 + 1 = 7 − − − − − −( ) ( ) 2B (1): = Q= QS "( + 1) − ) = . Q ( 7 − ) = . Q (6 ) = 6 → ( ) 15) = $ 6 6 √ 6 6 = = $ 6 6 6 6 = = $ 6 6 6 + 6 6 6 = = $( ) 6 + 2( ) 6 = --------(a) De: ( )9 + 4 ( )9 = 725 → ( )9 + 4 + 4 ( )9 = 725 + 4 ( )9 + 4 + 4 ( )9 = 729
  • 16. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. ( ) 6 + 2( ) 6 ) = 27 ( ) B 2 + 2( ) B 2 = 27 …………………( ) ( ) 2B ( ); E = $( ) 6 + 2( ) 6 = = √27 = = √3 = = 3 → ( ) 16) Sumando 2 para obtener un trinomio cuadrado perfecto, + 2 + = 34 + 2 ( + ) = 36 + = 6 ; A1O B-4 − 2 G4- 0 2 EK2ADóB − 2 + = 6 − 2 → − 2 + = 4 ( − . ) = 4 → − . = 2 − . = 2 → (-) 17) ( + ) = 3 , 202H B-4 0 T1DBG , ( + ) = 3 + 5 + 10 + 10 + 5 + = 3 + + 10 ( + ) + 5 ( + ) = 3 -------(a) De: ( + ) = 3 = + + 3 ( + ) ------(1)
  • 17. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. (1) en (a) : + + 10 (3) + 5 (27 − 3 (3)) = 3 ab = 3-2 =1 + + 10 (1)(3) + 5(1)(27 − 3(1)(3)) = 3 + = 243 − 30 − 90 + = 123 → ( ) 18) De: a+b = 5 → ( + ) = 25 + 2 + = 25 ; + 2(5) + = 25 + = 15 − − − − − −( ) ( + ) = 125 → + + 3 ( + ) = 125 + = 125 − 3(5)(5) + = 50 − − − − − ( ) (a) y (b) en E: = = = .U = . U .U = . → ( ) 19) . + . = . → = . ( + ) = --------(a) + + 2 = → + = − Elavando (a) al cubo:
  • 18. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. ( + )V = -------(b) De: + = − b ( + ) = (− ) V + V + 3 ( + ) = − V + V + 3 (− ) = − V + V = 2 -----(c ) (a) , (b), (c) en E: = ( )W V( W W) ( )= = 3 3 V(2 3 3 ) ( )= = .. 3 3 3 3 = −11 → (2) 20) + + = 0 → X + = − + = − + = − De: ( + + ) = 0 → + + = −3( + )( + )( + ) + + = −3(− )(− )(− ) + + = 3 De: = P + P + P = = = P= P = P P = 3 = 3 → ( )
  • 19. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 21) − 1 = √2 → ( − 1) = 2 − 2 + 1 = 2 + 1 = 2(1 + ) … … … … … . . ( ) + 1 = 2 + 2 − 1 = 2 … … … … … … … ( ) Como = 1 + 2 → = (1 + 2 ) − − − − − ( ) = YQ .ZYQW .Z Q' = ((Q .)((Q )= .) Q' = YQ .ZYQ .Z(Q' Q .) Q' = (Q .) "Q' YQ .Z# Q' ; reemplazando (a), (b) y (c) = (Q .) "(. Q) Q# (. Q) = (Q .) (. Q Q Q) (. Q) = (Q .) (. Q Q ) (. Q) = (Q .) (. Q Q ) (. Q) = (Q .) (Q Q ) (. Q) ; = 1 + 2 = (. Q Q )( Q ) (. Q) = (Q Q )( Q ) (. Q) = U(Q ) (. Q) = 40. (. Q) (. Q) = 40 → (-) 22) + = 62 − − − A1O B-4 2 - 0 -4, + 2 + = 64 ( + ) = 64 → + = 8 √
  • 20. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = : √ ; 8 = = : <√ √ ; 8 = = (8) 8 = = √2 = = 2 = 2 → ( ) 23) ( + 2 + 2 + 1)( − 2 + 2 − 1) = = V − 2 + 2 − + 2 − 4 + 4 − 2 + 2 − 4 + 4 − 2 + − 2 + 2 − 1 = V − 1 + (2 − 2) + (4 − 4) + (5 − 5) + (2 − 2) + (2 − 2) = V − 1 = $ (Q= Q Q .)(Q= Q Q .) Q . + = $ QW . Q . + = $ QW Q' Q . Q . = $ (QW Q ) (Q' .) Q . = $ Q (Q' .) (Q' .) Q . = $ (Q' .)(Q .) Q . = $ (Q .)(Q .)(Q .) Q . = [( + 1) = + 1 = + 1 → ( ) 24)
  • 21. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = ( V + 2 ? + V ? + ? − 2 ? + V V ). . ' W + 2 ? = ( V + V ? + ? + V V). . ' W + 2 ? = Y 'QW ''Z Y W' WQWZ ' W + 2 ? = 'YQW 'Z W(QW ') ' W + 2 ? = YQW 'Z( ' W) ( ' W) + 2 ? = ( V + ? ) + 2 ? = V + 2 ? + ? , , , , , , , ]^_ = ( + ? ) → ( ) 25) = : + + + − − ( + + − + );. ( + + + − + + + − + ) = ( + + + − − − − + − )(2 + 2 + 2 ) = (2 − 2 )( 2 + 2 + 2 ) = 4( − )( + + ) = 4 ( + + − − − ) = 4 ( − ) = 4 − 4 → ( ) 26) + ? = → ( + ?) = + ? + 2 ? = ; ? = --------(c) + ? = − 2 − − − − − ( )
  • 22. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. De: Q= = Q(Q ) = . , A2 GD2B2: (Q )YQ Q Z 5 ?( +?) = . → Q Q Q = . --------(b) (a ) y (c ) en ( b ): = . → − 2 − = = 4 √ = √4 → = 2 → ( ) 27) = ( − + ) − ( − − ) = − + + 3( − )( + )( − ) − " − − + 3( − )( − )(− − ) = − + − + + + 3( − )( + )( − ) − 3( − )( − )( + ) = 2 + 3( − )( + )( − ) + 3( − )( − )( + ) = 2 + 3( − )"( + )( − ) + ( − )( + )# E = 2 + 3( − ) ( − − + ) + ( + − − ) = 2 + 3(a-b) ( − − + + + − − )) = 2 + 3(a-b) ( 2 − 2 ) = 2 + 6( − )( − ) = 2 ( − − + ) = 2 + 6( − 2 + ) = 2 + 6 ( −2ab + ) -------------(a) De: : − 3; = : − 3; : ; = : ; ( − 3 ) = ( − 3 )
  • 23. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. − 3 = − 3 − = 3 ( − ) (a-b)( + + ) = 3 ( − ) + + = 3 + = 2 − − − − − ( ) (b) en (a), se tiene: = 2 + 6 ( + − 2 b ) = 2 + 6 (2 − 2 ) = 2 → ( ) 28) = ? . + ? . = Q + Q = Q= = Q = (Q )YQ Q Z Q − − − ( ) ` + ? = 30 + ? = 6 ---------(1) + ? = 6 → ( + ?) = 36 + ? + 2 ? = 36 30+2xy =36 xy = 3 -------(b) ( )? (1)2B ( ); = V( U ) = M∗V = 54 = 54 → (-)
  • 24. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 29) + . Q = 3 → Q . Q = 3 → + 1 = 3 -------(1) = QW . Q(Q' .) = (Q )= . Q(Q' .) = (Q .)(Q' Q .) Q(Q' .) -------- (a) + 1 = 3 → ( + 1) = 9 + 2 + 1 = 9 + 1 = 7 ----------- (b) ( ) 2B ( ): = (Q .)((Q' .) Q ) Q(Q' .) = (Q .)(7 2 − 2 ) Q(7 2) ( 1) en E: = Q(VQ ) Q(7 2 ) = .< M → ( ) 30) b ( + ) = 1 ( + ) = Dividiendo entre si las dos ecuaciones anteriores, = =Y = =Z ( ) = → ( + ) = ( + ) ( + )( − + ) = (a+b) ( − + ) =
  • 25. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. ( + ) − = ( + ) = + Como : = ( + ) = + − − − − − − − − − − − ( ) De: ( + ) = 1 → ( + ) = 1 ( + + 3 ( + )# = 1 ( + + 3) = 1 → + = . = = − 3 ---(b) De: ( + ) = → + = = = − − − −( ) ( ) = ( ) → . = = − 3 = = = = = = −3 → = − . − − − −(-) (-) 2B ( ): = + = − . + = 2 → ( ) 31) + √ = + √ − = √ -√ Y√ − √ Z(√ + [ ) = √ -√ − − − −-DJ2K2B D -2 1 -K -4A Y√ − √ ZY√ + √ Z = √ √ − √ √ Y√ − √ ZY√ + √ Z = √ Y√ − √ Z Y√ − √ ZY√ + √ Z = −√ Y√ − √ Z √ + √ = −√
  • 26. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. √ + √ + √ = 0 − − − − − ( ) ( ) − − − − − 202H B-4 0 1 4: Y√ + √ + √ Z = 0 (√ ) + (√ ) + (√ ) = 3√ √ √ (√ ) + (√ ) + (√ ) = 3√ − − − − − −( ) De E : = √ P + √ P + P √ = √ √ P + √ √ P + P√P √ P = √ = √ P + √ = √ P + √P= √ P = √ 3+[ 3 +√ 3 √ P ( )2B ∶ = √ P √ P = 3 → ( ) 32) ( + ) = √3 = → ( + ) = 3 + + 3 ( + ) = 3 − − − −( ) ( − ) = √2 = → ( − ) = 2 − − 3 ( − ) = 2 − − − −( ) ` + + 3 ( + ) = 3 − − 3 ( − ) = 2 ( ) + ( ): 2 + 3 ( + − + )=5 2 + 6 = 5 2 ( + 3 ) = 5 → + 3 = − − − ( )
  • 27. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. ( ) − ( ) : ` + + 3 ( + ) = 3 − + + 3 ( − ) = −2 2 + 3 ( + + − )= 1 2 + 3 (2 ) = 1 → 2 + 6 = 1 2 ( + 3 ) = 1 → + 3 = . − − − −(-) ( ) ? (-) 2B : = 4 ( + 3 )( + 3 ) = 4 : ; : . ; = 5 → ( ) 33) d − = √7 R − = √7 R − = 2√7 R -------------(a) ( ) 2B : = ( P)R ( P)R ( )R MU = Y √M R Z R Y √M R Z R Y √M R Z R MU = R.M M M MU = e.U MU = 13 = 13 → ( ) 34) + = + → + = ( + ) … … . ( )
  • 28. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = ( = =) ( = = ) ( ) = = = = = ( ) ( ) ( ) 2B : = = = = = = = ( ) = ( = =) ( ) − − − −( ) De: + = ( + ) (a+b) ( − + ) = ( + ) − + = − 2 + = 0 → ( − ) = 0 = … … … … … . ( ) ( ) 2B ( ): = ( = =) ( ) = ( = =) ( ) = V = = = 6 = 6 → ( ) 35) + + = 2( + )( + )( + ) … … . A1O B-4 G4-4: = = P= + = ( + )( + )( + )+abc + + + 2 = 2"( + )( + )( + ) + # Como : ( + )( + )( + ) + = ( + + )( + + ) − − − EK4ED2- - + + + 2 = 2 ( + + )( + + ) ( + + ) − 3( + + )( + + ) + 3 + 2 = 2 ( + + )( + + ) 1 − 3 (1)( + + ) + 5 = 2(1)( + + ) 1 − 3( + + ) + 5 = 2( + + )
  • 29. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. + 5 = 5 ( + + ) -------(a) De: ( ) 2B : = . P P P = ( P P) ( P P) = 5 → ( ) 36) Si: + + = 0 ( + + ) = 0 → + + = 3 − − − ( ) ( ) 2B : = f f Pf ( = =)( = P=)( = P=) V( = = P=) . P Además: ( ) + ( ) + ( ) + 3( + )( + )( + ) = = ( 3 + 3 + 3) = ( 3+ 3 + 3) = V( P) . P = ( P)= P = (3 ) = 9 → ( ) 37) ( + 1)( − 1) = − 1 = ( . )( ' .)( W = .)( W = .) f .
  • 30. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = ( W .)( W = .)( W = .) ( f .) De; ( − 1) (( ) − + 1) = ( e − 1) ( + 1) (( ) + + 1) = ( e + 1) = ( W .)( = .)( W = .)( = .)( W = .) ( f .)( = .)( = .) = ( W .)( f .)( f .) ( f .)( = .)( = .) = ( W .)( f .) ( = .)( = .) = ( = .)( = .)( f .) ( = .)( = .) = e − 1 = e − 1 → ( ) 38) + = 2 → = 2 − 2 + = 0 → ( − ) = 0 = − − − − − ( ) 1A B-4 ( ): E = ( )g + ( )g = ( )g + ( )g → = (1)g + (1)g Como h ∈ j → = 1 + 1 = 2 → ( ) 39)
  • 31. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = ( 8 k 8 l ) ( 8 k 8 l ) − = 8 k kl 8 l : 8 k kl 8 l ; − = 8 k kl 8 l 8 k kl 8 l − = ' kl − = 'mk l kl − = ( ) − = ( )( ) ( ) − = − = = = 1 = 1 → ( ) 40) Q Q = 1 − Q -------------(a) Q Q = 1 − Q ---------------(b) (a) por (b): Q Q . Q Q = :1 − Q ; : 1 − Q ; 1 = ( Q )( Q Q ) ? = −(? − )(? − ) -xy = (? − ) − ? = + ? − 2 ? + ? = ? − − − − − ( ) ( + ? ) = ? → + 2 ? + ? = ? + ? = − ? − − − − − − − (-) ( )? (-) 2B :
  • 32. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = (Q )(Q' ') QW W = (Q )(Q' ') "(Q )= ( )=# = (Q )(Q' ') (Q )(Q' Q ') = Q' ' Q' Q ' = Q Q Q = Q Q = . → ( ) 41) ( + + + -) = 4 ( + )( + -) Agrupando el factor cuadrático: "( + ) + ( + -)# = 4 ( + )( + -) ( + ) + ( + -) + 2( + )( + -) = 4 ( + )( + -) ( + ) − 2( + )( + -) + ( + -) = 0 "( + ) − ( + -)# = 0 ( + ) = ( + -) − − − − − −( ) ( ) 2B : = 4 n7o (k7l) = 4 k7l (k7l) = 4 8 = √4 = 2 → (-) 42) + + + - = 0 ; + - = 1 a+b +1 =0 → + = −1 ( + + 1) = 0 → + + 1 = −3 + = −1 − 3 − − − − − −( ) ( + - − 1) = 0 → + - − 1 = −3 -
  • 33. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. + - = 1 − 3 - − − − − − − − ( ) De: + = −1 → ( + ) = 1 → + 2 + = 1 + = 1 − 2 − − − − − ( ) + - = 1 → ( + -) = 1 → + 2 - + - = 1 + - = 1 − 2 - − − − − − (-) ( ) , ( ) , ( )? (-) 2B : = 3 + 3 + 3 + -3 ( + ) − − - = . . Pp ( ) P p = ( Pp) . (. Pp) = ( Pp) . . Pp ( Pp) ( Pp) = → ( ) 43) + ? + L = 4 ( + ? + L) = 64 + ? + L + 3( + ?)(? + L)( + L) = 64 + ? + L + 3( ? + L + ? + ?L)( + L) = 64) + ? + L + 3 (16 + ? + L + L + ? + ? L + ?L + ? ) = 64 + ? + L + 3" ?(4 − L) + ?(4 − ?) + ?L(4 − )# = 64 − 48 + ? + L + 3 "4 ? − ?L + 4 L − ?L + 4?L − ?L ) = 16 + ? + L + 3 "4( ? + L + ?L) − 3 ?L# = 16 Como: ? + L + ?L = 6 y xyz =8 + ? + L + 3 "4(6) − 3(8)# = 16
  • 34. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. + ? + L = 16 E = + ? + L = 16 → ( ) 44) + ? = √5 ' + 2? → − ? = √5 ' (q − r) =(√5 ' ) → − 2 ? + ? = √5 ? = √5 → + ? = √5 + 2√5 + ? = 3√5 + ? = 3√5 → + ? + 2 ? = 2 ? + 3√5 ( + ?) = 5√5 → + ? = (5√5)./ + ? = √5√5 ' + ? = 3√5 → + ? − 2 ? = −2 ? + 3√5 ( − ?) = √5 → − ? = (√5)./ + ? = √5 ' De: ( + ?)( − ?) = √5√5 ' . √5 ' − ? = Y√5ZY √5 ' Z = √5 √5 = − ? = 5 = 5 → ( ) 45) ( + ) = 12 + ( − ) + 2 + = 12 + − 2 +
  • 35. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 4 = 12 → = 3 = Q tQ t V VP PQ = (e) t t V VP VP = . = 15 → ( ) 46) . + . = 8 → + = 8 --------(a) De E: = "( ) ( ) # ( ' ') ( ' ') = ( ) " ' ' ( ' ')#"( ' ') ( ' '# ( ) 2B : = ( ) ( ')( ') = (8 2 2 ) ' ' = V ' ' ' ' E = 64 → (2) 47) ( − ?) + ( − L) + (? − L) = 0 → X − ? = 0 → = ? − L = 0 → = L ? − L = 0 → ? = L = $ QS S uS (Q u)S = $ QS QS QS (Q Q Q)S = $ QS SQS = . e → ( )
  • 36. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 48) ( + ) + ( − ) = 4 + 2 + + − 2 + = 4 2 + 2 = 4 → + = 2 − 2 + = 0 → ( − ) = 0 → = − − − ( ) ( ) 2B : = + = = = ( )( ) + 0 = = 1 = 1 → ( ) 49) + + = 5 → + + ( − 5) = 0 " + + ( − 5)# = 0 → + + ( − 5) = −2" + ( − 5) + ( − 5)# → + + − 10 + 25 = −2( + − 5 + − 5 ) Como: + + =41 41 − 10 + 25 = −2( + + ) + 10( a+b) 66 − 10 = −2( + + ) + 10 (5 − ) 66 − 50 − 10 + 10 = −2( + + ) ( + + ) = −8 − − − − − − − ( ) ( ) 202H -4 0 1 -K -4: ( + + ) = 64 + + + 2( )( + + ) = 64 ---propiedad
  • 37. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. + + = 184 184 + 2abc(5) =64 = −12 − − − − − − − − − − − − − ( ) De: + + = 5 → ( + + ) = 125 + + + 3( + + )( + + ) − 3 = 125 (a) y (b) en E: + + + 3(5)(−8) − 3(−12) = 125 + + = 125 + 125 − 36= 209 = + + = 209 → ( ) 50) + + = 1 + + = 1 " + + ( − 1)# = 0 → + + − 2 + 1 = −2( + ( − 1) + ( − 1)) + + − 2 + 1 = −2( + − + − ) (1) − 2 + 1 = −2 Y + + − ( + )Z 2 − 2 = −2 ( + + ) + 2(1 − ) 2 − 2 − 2 + 2 = −2 ( + + ) + + = 0 − − − − − − − −( ) ( + + ) = 1 → + + + 3( + + )( + + ) − 3 = 1 --- (b) ( ) 2B ( ): + + − 3 = 1 ------------(c) De: ( + + ) = 0 + + + 2 ( + + ) = 0
  • 38. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. + + + 2 (1) = 0 + + = −2 − − − − − (-) De: + + ( − 1) = 0 → Y + + ( − 1)Z = 0 + + − 2 + 1 = −2" + ( − 1) + ( − 1)# + + = 2 − 1 − 2( + − + − ) + + = 2 − 1 − 2( + + − ( + )) + + = 2 − 1 − 2( + + − (1 − )) + + = 2 − 1 + 2 − 2 – 2( + + ) + + = 1 − 2( + + ) − − − −(2) (-) 2B (2) ∶ + + = 1 + 4 = = = P= P ' ' P' P = . . P P = 1 = 1 → (-) 51) + + = 0 → ( + + ) = 0 + + = 3 + = 3 − − − − − − ( ) + = − → ( + ) = + + 2 =
  • 39. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. + = − 2 − − − − − ( ) + + = . ( + + ) − − − ( ) EK4ED2- - ( ), ( ) ? ( ) 2B : = ( P )( = ( = P=) ' ' P' = ( P )( = ( P =)) 8 ( P ) = ( = P) P = V ( P) P = V ( P) ( P) = 3 = 3 → ( ) 52) + + = 0; X + = − + = − + = − ----------------------------(a) = P "( ) ( P P)#( P) = P " ( ) P( )#( P) = P ( )( P)( P) ( ) 2B : = P ( )( )( P) = P P = −2 = −2 → ( ) 53) + + = 1 → ( + + ) = 1
  • 40. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. abc = 0 --------------------(a) + + + 2( + + ) = 1 -------------(b) Reemplazando (a): + + + 2(0) = 1 + + = 1 − − − − − − − − − − − −(1) ( + + ) = 1 → + + + 3( + )( + )( + ) = 1 + + + 3( + + + )( + ) = 1 = = = 0 + + + 3 ( + ) = 1 + + + 3( ) + 3( ) = 1 + + = 1 − − − − − − − − − − − (2) (1) ? (2) 2B : = 2 + 2 + 2 − 3 + 3 + 3 = . − . = V = . V → (2) 54) √ = + √ = + √ = = 0 (√ = + √ = + √ = ) = 0 → + + + 3(√ = + √ = )(√ = + √ = )(√ = + √ = ) =0 d √ = + √ = = −√ = √ = + √ = = −√ = √ = + √ = = −√ = ------------------(a) + + + 3 Y−√ = ZY −√ = ZY −√ = Z = 0 + + = 3 √ = √ = √ = = 3 √ = + + = 3 √ = → ( + + ) = 27 − − − ( ) + + + 3( + )( + )( + ) = 27
  • 41. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. + + − 27 = − 3( + )( + )( + ) − − − −( ) ( ) 2B : = = = P= M P ( )( P)( P) = ( + )( + )( + ) ( + )( + )( + ) = −3 = −3 → ( ) 55) + . = 2 → − 2 + . = 0 → − 2 + 1 = 0 ( − 1) = 0 → = 1 − − − − − ( ) ( ) 2B : = $ ' mW m' W + = ) .' 8 8W 8 8' .W + = $ . . . . + = √1 + = 1 = 1 → (2) 56) + . Q = 1 → : + . Q ; = 1 + 2 + . Q = 1 → + . Q = −1----------(a) + . Q = 1 → : + . Q ; = 1 + . Q= + 3 . . Q : + . Q ; = 1
  • 42. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. + . Q= = 1 − 3 : + . Q ; + . Q= = 1 − 3(1) + . Q= = −2 − − − −( ) ( ) ( ): ( + . Q )( + . Q= ) = (−1)(−2) ( + . . Q= + . . Q + . QS ) = 2 + . QS = 2 − : + . Q ; = 2 − 1 + . QS = 1 = $ + . QS S = √1 S = 1 → ( ) 57) = (Q )"( )' ( )'# ( Q ) ( Q) = (Q )"( ) ( ) #"( ) ( ) # Q Q Q Q = (Q )( )( ( Q ) ( Q ) = (Q )( )( ) (Q ) (Q ) = < (Q )( ) ( )(Q ) = 8 → ( )
  • 43. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 58) + ? + L = 0 → ( + ? + L) = 0 + ? + L = −2( ? + ?L + L) − − − − − ( ) + ? + L = 0 → ( + ? + L) = 0 + ? + L = 3 ?L − − − −( ) ( ) ( ) ∶ ( + ? + L )( + ? + L ) = −6 ?L( ? + ?L + L) + ? + L + ? + L + ? + ? L + L + L ? = −6 ?L( ? + ?L + L) + ? + L + (? + ? ) + ( L + L ) + (? L L ? = −6 ?L( ? + ?L + L) + ? + L + ? ( + ?) + L ( + L) + ? L (? + L) = −6 ?L( ? + ?L + L) + ? + L + ? (−L) + L (−?) + ? L (− ) = −6 ?L( ? + ?L + L) + ? + L − ? L − ?L − ? L = −6 ?L( ? + ?L + L) + ? + L − ? L − ?L − ? L = −6 ? L − 6 ? L − 6 ?L + ? + L = −5 ? L − 5 ? L − 5 ?L + ? + L = −5 ?L ( ? + ?L + L) − − − − − −( ) ( ) ? ( ) 2B : = QS S uS Q u = Qu (Q u Qu) (Q u Qu) = ? = ? → (-)
  • 44. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 59) + . = 3 → + . Q = 3 : + . Q ; = 9 → + 2 : . Q ; + . Q = 9 + 2 + . Q = 9 → + . Q = 7 − − − − − ( ) + . Q = 3 → ( + . Q ) = 27 + . Q= + 3 . . Q : + . Q ; = 27 + . Q= = 27 − 3(3) + . Q= = 18 − − − − − ( ) Sumando ( ) ? ( ): E = + + + = + . Q + + . Q= = 7 + 18 = 25 → ( ) 60) = $ (Q u) Q u = $ Q u (Q u Qu) Q u = $ Q Q Qu Q Q Qu Q Q Qu = $ (Q u Qu) Q u Qu = √3
  • 45. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = √3 → ( ) 61) _( ) = + + _( ) = ( ) + ( ) + ( ) Y : E( ) = (2 − )(1 − ) (1 + )( + 2) → (2 − )(1 − ) (1 + )( + 2) = ( ) + ( ) + ( ) (2 − 2 − + )( + 2 + + 2 ) = ( ) + ( ) + ( ) (2 − 3 + )( + 3 + ) = ( ) + ( ) + ( ) (2 + 6 + 4 − 3 − 9 − 6 + + 3 + 2 ) = ( ) + ( ) + ( ) (-5 + + 4) = V + + V − 5 + 4 = V + + Igualando coeficientes: X = 1 = −5 = 4 = + + = 1 − 5 + 4 = 0 → ( ) 62) _( ) = " − + + − + + − + # _( ) = " + − ( + + ) + + ( + + )#
  • 46. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. _( ) = " ( + + ) − ( + + ) + ( + + )# _( ) = " (1) − (1) + 1# = ( − + 1) _( + + ) = _(1) _(1) = (1 − 1 + 1) = 1 P(a+b+c) = 1 → (-) 63) = ( t 9) ( 9 t) ( )(t 9 ) = t t9 9 9 t9 t ( )(t 9 ) = ( t 9 ) 9 t ( )(t 9 ) = (t 9 ) (t 9 ) ( )(t 9 ) = ( )(t 9 ) ( )(t 9 ) = 1 → ( ) 64) = + − − − −( ) = $: P ; : P − ; : P − ; : P − ; = $: + + 2 ; : + + −2 2 ; : + + −2 2 ; : + + −2 2 ; = . [( + + )( + − )( + − )( + − )
  • 47. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = . ["( + ) − #" + ( − )#" − ( − )# = . [( + + 2 − )( − ( − ) ) = . [( + ) + 2 − )( − − + 2 ) = . [( + ) + 2 − )( + 2 − ( + )) ( ) 2B : = . [( + 2 − )( + 2 − ) = . [(2 )(2 ) = . . 2 ( ) = P → ( ) 65) + + = 0 − − − − − −( ) + = − ; + = − = v P + P + P w " P P # = v . P + . P + P.P P w v P P w = : = = P= P ; : P P ; + + = 0 → ( + + ) = 0 + + = 3 = : P P ; : P P ; = 3 : P P ; − − − −( ) + + = ( + ) − = − + + = ( + ) − = − = 3 : P P ; = 3 : P ( P) P( P) ; = 3 ( P P) P P) = 3
  • 48. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = 3 → ( ) 66) (Q )(Q ) Q P + (Q )(Q P) Q + (Q )(Q P) Q = 1 (Q ) (Q ) (Q ) (Q P) (Q ) (Q P) ( + )( + )( + ) = 1 (Q ) "(Q ) (Q P) # (Q ) (Q P) ( + )( + )( + ) = 1 ------------(a) ( + ) + ( + ) = 0 2B ( ) (Q ) "U# (Q ) (Q P) ( + )( + )( + ) = 1 ( + ) ( + ) = ( + )( + )( + ) ( + )( + ) = + Como E = Q (Q )(Q P) = (Q )(Q P) (Q )(Q P) = 1 → ( ) 67) = "( + ) + ( − ) # − 4"(: ; − x: ; y = v + 2 + + − 2 + w − 4" − # = (2 + 2 ) -4" ' ' − 2 + ' ' #
  • 49. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = 4 : ' ' + 2 + ' '; − 4 ' ' + 8 - 4 ' ' = 4 ' ' + 8 + 4 ' ' −4 ' ' + 8 - 4 ' ' = 16 → ( ) 68) + + = − − − − − −( ) + = − = ( − 1) = − (1 − ) + = − = ( − 1) = − (1 − ) + = − = ( − 1) = − (1 − ) De: . : . ; + . : . P P ; + . P : . P P ; = = − . P : . . ; − . : . P . P ; − . P : . P . P ; = − . P − . − . P = P P = − P P = P P = −1 → (2) 69) ? = 1 → ? = 1 − − − − − −( ) = Q( .) Q . + (Q .) . = Q( .) (Q .) (Q .)( .) = Q( .) (Q Q .) (Q .)( .) = (Q) (Q) Q Q(Q) Q (Q .)( .)
  • 50. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. ( 1 ) en E: = (.) (.) Q(.) Q (Q .)( .) = Q Q (Q .)( .) = (Q ) Q Q . = (Q ) . Q . = (Q ) (Q ) = 2 = 2 → ( ) 70) Y√ ' + 1ZY√ ' − 1Z(√ + 1)( + 1)( + + 1) = = Y√ ' − 1ZY√ + 1Z( + 1)( + + 1) = Y√ − 1Z Y√ + 1Z( + 1)( + + 1) = ( − 1)( + 1)( + + 1) = ( − 1)( + + 1) De: QW . Q . = ( + + 1) = V − 1 → ( ) 71) = ( − ? ) − − 2 ? − ?V = ( − ? ) − ( + 2 ? + ?V ) = ( − ? ) − ( + ? )
  • 51. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = "( − ? ) − ( + ? )#" ( − ? ) + ( + ? )# = " ( − ? )-1][ − ? + 1# = = ( − ? ) − 1 = + ?V − 2 ? − 1 = (2) − 2 ? − 1 = 1 − 2 ? − − − − − ( ) Además E: = ( − ? ) − ( + ? ) E = − 2 ? + ?V − − 2 ? − ?V = −4 ? − − − − − − − ( ) (a) =(b) 1 − 2 ? = −4 ? → − 2 ? = 1 --------© = 1 − 2 ? = 1— 1 = 2 = 2 → ( ) 72) = → − = 0 ( − )( + + ) = 0 ≠ → + + = 0 → + = − − − − −( ) ( ) 2B : = ( ) = E = = − = − . = − 1 3 → (-)
  • 52. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 73) = ( ) + ( P) P + ( P ) P = + . P eP P + eP V P P = − 4 + + P − 12 + eP + eP − 6 + P = : + 9 ; + : 4 + 9 ; + : 4 + ; − 22 = ( eP ) + : eP ; + : P ; − 22 − − − −( ) De: a+4b+9c = 0 X + 9 = −4 4 + 9 = − + 4 = −9 -----------------(b) ( ) 2B : = − − − eP P − 22 = −4 − 1 − 9 − 22 = −36 → ( ) 74) + ? + L = 0 → X + ? = −L + L = −? ? + L = − − − − − − ( ) ( ) 2B : = (Q u) (Q u ) ( u Q) Q u = ( u u) ( ) ( Q Q) Q u
  • 53. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = eu e eQ Q u = e(Q u ) Q u = 9 = 9 → ( ) 75) = "( + ?) + ( − ?) # − 4( − ? ) ( + ? ) − ( − ? ) = (Q Q Q Q ) (Q ) QW Q== W QW Q==W = ( Q ) (Q ) Q== = " Q (Q )#" Q (Q )# Q== = ( )( Q ) Q== = Q = Q → ( ) 76) De: ( + + ) = 3( + + )( + + ) − 2( + + ) + 6 − − − − − − − −EK4ED2- - ( + + ) = 3( + + )(6)-2(-8) +6(2) ( + + ) = 18( + + ) + 16 + 12 ( + + ) − 18( + + ) − 28 = 0 Haciendo: + + = − 18 − 28 = 0;
  • 54. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. (x+2) ( − 2 − 14) = 0 + 2 = 0 → + + = −2 − − − −( ) + + = −2 → ( + + ) = −8 + + + 3( + + )( + + ) − 3 = −8 −8 + 3 (−2)( + + ) − 3(2) = −8 − 6 ( + + ) = 6 + + = −1 − − − − − ( ) ( ) 202H B-4 0 1 4: ( + + ) = −1 → + + + 3( + + ) ( + + ) − 3 = −1 Como E = + + + 3(−1)Y ( ) + ( ) + ( )Z − 3(2) = −1 − 3Y ( + + )Z − 6 = −1 − 3 "2 (−2)# = 5 = 5 − 12 = −7 → ( ) 77) [ + ? + ? + [ − ? + ? = ? − − − −( ) = [ + ? + ? − [ − ? + ? = ? ( ) E4K :
  • 55. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. ? = ([ + ? + ? + [ − ? + ? )([ + ? + ? − [ − ? + ? ) ? = ( + ? + ? ) − ( − ? + ? ) ? = + ? + ? − + ? − ? ? = 2 ? = 2 → (-) 78) ( + 1)( + 1) = ( + ) + 1 + + + 1 = + 2 + + 1 + = + + = ( + ) − ( + ) =( + ) − ( + ) = ( + )(1 − ) − − − − − −( ) + = + + → = ( + ) − ( + ) = ( + )(1 − ) − − − − − −( ) ( ) ? ( ) 2B ; = ( .) ( .) = ( .) ( )( .)( .) = ( )( .) = ( )( .) ( )( .) = 1 → ( ) 79) Dividiendo entre sí los datos dados:
  • 56. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. ( )( ) ( ) = <<< U 2+ 2 = .U + = : 222 105 ; − − − − − − − ( ) = ( ) = ; (a) en E: = : 222 105 ; +2 : 222 105 ; −2 = '= 8|S 8 8|S = . = 36 → ( ) 80) . + . P = P P P( ) = P → ( − + )( − + ) = 4 ( − ) ( − + ) = 4 ( − ) + + + 2 − 2 − 2 = 4 − 4 + + − 2 − 2 + 2 = 0 ( + − ) = 0 → + − = 0 = + − − − − − − − ( ) = P + P + P P ; (a) en E: = + P P + P P P = + 1 + P P = 1 + 1 + 1 = 3 → ( )
  • 57. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 81) + + 34 = 10 + 6 ( − 10 + 25) + ( − 6 + 9) = 25 + 9 − 34 ( − 5) + ( − 3) = 0 } − 5 = 0 − 3 = 0 → = 5 ? = 3 E = + + = (5)(3) + 5 + 3 = 15 + 8 = 23 → ( ) 82) + 2 ? = 1 Sumando 1 a cada lado: + 1 = 2 − 2 ? = 2(1 − ?) − − − − − −( ) + 2 ? = 1 → + 2 ? + ? = 1 + ? ( + ?) = 1 + ? − − − − − ( ) (a) y (b) en E: = 2 [1 + ? + (. Q ) [. = Q(. ) (. Q ) [. = Q Q ( Q) [. = Q Q Q [. = (Q ) [. = (Q ) [(Q ) = (Q ) (P ) = 2 = 2 → ( )
  • 58. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 83) = + ? − 12 + ? = 5 → + ? + 2 ? = 25 ( + ? ) + 2 ? = 25 11+2xy =25 → ? = 7 − − − −( ) = ( + ? ) − 12 = ( + ?)( − ? + ? ) − 12 (a) Y las hipótesis en E: = (5)(11 − 7) − 12 = 20 − 12 = 8 → ( ) 84) ( + ) + ( − ) = 4 + 2 + + − 2 + = 4 2 − 4 + 2 = 0 → − 2 + = 0 +( − ) = 0 → = = ( )= = = = ( )= = = = < = = = 4 → ( ) 85)
  • 59. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. − = − = 2 = − 2 = − 2 − − − − − − − ( ) = + + − − − = ( + 2) + + ( − 2) − ( + 2) − ( − 2) − ( + 2)( − 2) = + 4 + 4 + + − 4 + 4 − − 2 − + 2 − + 4 = 12 → (-) 86) . Q + . = → Q Q = + ? = ? ? = → + ? = − − − − − ( ) De: ( + ?) = = + 2 ? + ? ; -2 ( ): = ( + ? ) + 2 ? = + 2b = ( + 2) → ( ) 87) + + = 0 → + = − → ( + ) = + 2 + = → − 2 + 2 + 2 + = − 2 + = − 4
  • 60. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. ( − ) = ( − ) = − 4 − − − − − −( ) + + = 0 → + = − → ( + ) = + 2 + = → − 2 + 2 + 2 + = − 2 + = − 4 ( − ) = − 4 − − − − − −( ) + + = 0 → + = − → ( + ) = + 2 + = → − 2 + 2 + 2 + = − 2 + = − 4 ( − ) = − 4 − − − − − −( ) ( ), ( ) ? ( ) 2B ; = ( ) (P ) + ( P) P( P) + (P ) P( P) = 2 −4 ( 2−4 ) + 2 −4 P( 2−4 ) + 2 −4 P( 2 −4 ) = . + . P + . P = P P = P P = U P = 0 → ( ) 88) + + = 0 → ( + + ) = 3 − − − −( ) X + = − + = − + = − ---------------(b) (a) y (b) en E: = ( + − ) + ( + − ) + ( + − ) = (− − ) + (− − ) + (− − )
  • 61. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = (16 ) + 16 + 16 = 16 ( + + ) = 16 : . ; (3 ) = 16.3 : . ; ( . ) = 3 → ( ) 89) .U .U + 16 .U .U = 41 8| 8| + 16. 8| 8| = 41 U + 16 U = 41 .U .U → U + 8 .U .U + 16 U = 41 .U .U + 8 .U .U U + 8 .U .U + 16 U = 49 .U .U ( .U ) + 8 .U .U + (4 .U ) = 49 .U .U ( .U + 4 .U ) = 49 .U .U → .U + 4 .U = √49 .U .U .U + 4 .U = 7 ( ) − 4 + (2 ) = 7 − 4 ( − 2 ) = 3 → − 2 = √3 = $ 5−2 5 √ S = $ [3 5 5 √ S = )$ 3 5 5 S = √ 5 5 8| = √ → ( ) 90)
  • 62. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. De: ( + + ) = + + + 2( + + ) − − − −( ) ( + + ) = + + + 3( + + )( + + ) − 3 ( + + ) = 3 + 3( + + )( + + ) − 3 − − − −( ) ( + + ) = 2 + 2( + + ) − − − − − ( ) (a+b+c) por (c) : ( + + )( + + ) = 2( + + ) + 2( + + )( + + ) ( + + ) = 2( + + ) + 2( + + )( + + ) − − − (-) ( ) 2B (-): 3 + 3( + + )( + + ) − 3 = 2( + + ) + 2( + + )( + + ) 3+ ( + + )( + + ) − 3 = 2( + + ) ( + + )( + + ) = 3 − 3 + 2( + + ) − − − −(2) (e) en E: = ( P)( P P) . P = ( P) ( P)( P P) . P = ( P) {3 −3+2( + + )} . P = ( P) P ( P) . P = P . P = (. P) ( P) = 3 → (-) 101) ~ = V9 . 9 = 9 9
  • 63. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. ~ = 9 9 ~ = BúO2K4 -2 GéKODB4A ~ = 5 → ( ) 102) ~ = BúO2K4 -2 GéKODB4A ~ = 9 . 9 < = 9 9 e (4B + 12)(B − 9) = (4B − 3)(B − 8) 4B − 24B − 108 = 4B − 35B + 24 11B = 132 → B = 12 ~ = (. ) . . < = VU = 15 → ( ) 103) • = ~. -2 GéKODB4A • = ‚ = ‚ E = 1296 E = 36 • = V = 12 → ( )
  • 64. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 104) • = ~. -2 GéKODB4A • = 9 9 . = 9 U 9 (3 + 5B)(B + 2) = (5B + 30)(B − 1) 5B + 13B + 6 = 5B + 25B − 30 12n = 36 ; n =3 • = ( ) . = .< • = 9 → ( ) 105) GP = Q → • = DOE K GP = ( u )ƒ g ( )g . = Q 2(h − 1) = 24 h = 13 • = M u = 25 → L = 3
  • 65. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. • = = 25 → ? = 50 L (• − h) = → = 3(25 − 13) = 36 + ? + L = 3 + 50 + 36 = 89 → (2) 106) Gg = ( )„ g (?M )g . Gg = 33 → …† = 309 5(~ − 33) + 7(33 − 1) = 309 5~ − 165 + 224 = 309 5 ~ = 250 ; ~ = 50 N = n = 50 → ( ) 107) N =n Q=(QS)6 (S)6(8|)= Q6m8 67 = = Q=QS6 S6=| Q6m8 67 = Q=7S6 =|7S6 Q6m8 67 ~ = 9 9 . = U 9 9 (3 + 5B)(B + 2) = (30 + 5B)(B − 1)
  • 66. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 5B + 13B + 6 = 5B + 25B − 30 12B = 36 ; B = 3 ~ = 9 9 . = . = 9 → (^) 108) Gg = G QS S Q = = ( Q)S ( )S Q G → −(2 ) . (3?) . = −(2 ).(3?) G → −54 ? Coeficiente → −54 → ( ) 109) G< = ? V9 9 = U = • • = 10 6n = 10 (n-4) → 6B = 10B − 40 B = 10 QW| '| QW '
  • 67. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. G< = ( V ).U < (? )< . G< = . ? < → (-) 110) GM → …† = 57 GM → ( M )„ g (?V )g . → ( M )„ M (?V )M . → ( M )„ M (?V )V → ( M )„ M ? V 7(~ − 7) + 36 = 57 7N -49 = 57-36 7N = 70 → ~ = 10 N = N. de términos = 10 → ( ) 111) Qˆ6 6‰ Qˆ ‰ = (Qˆ)6 (‰)6 Qˆ ‰ t9 t = 9 ‚ = ~ ~ = B G → …† = 42 → ( t )„ (?‚ ) . → O(~ − 5) + 4E = 42 − − − −( )
  • 68. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. G< → …† = 45 → ( t )„ < (?‚ )< . → O(~ − 8) + 7E = 45 − − − −( ) El grado relativo a “y” del término 7 es 21: 7p = 21 → E = 3 -2 ( ) ? ( ): ` OB − 5O + 4E = 42 OB − 8O + 7E = 45 ` OB − 5O + 4(3) = 42 OB − 8O + 7(3) = 45 → } OB − 5O = 30 OB − 8O = 24 } OB − 5O = 30 −OB + 8O = −24 3O = 6 → O = 2 O = 2 → (-) 112) U. = g VU g → BúO2K4 -2 GéKODB4A 4h = . . (3h + 60) → 8 h = 3h + 60 5h = 60 → h = 12 h + 1 = = 12 + 1 = 145 → ( )
  • 69. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 113) G → .MV V • = ~. -2 GéKODB4A • = 'Š S‹mf 'Š 'Š S‹mf S‹mf = ( S‹mf)Œ ( S‹mf)Œ S‹mf S‹mf G = Y ‹ e Z ƒ . ( ‹ e ) . Y ‹ e Z ƒ . ( ‹ e ) = .MV V ` (• − 5)(5 − 9) = 176 4(5 − 9) = 64 5 − 9 = 16 16(• − 5) = 176 → • = 16 N = • = 16 → (-) 114) Gg → …† = 252 Q8W| +| Q' R = (Q')'| (R)'| Q' R • = 40 GéKODB4A Gg = ( ) U g (?M )g . 4(40 − h) + 7(h − 1) = 252
  • 70. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 160 − 4h + 7h − 7 = 252 3 k = 99 → h = 33 Lugar de Gg = 33 → ( ) 115) Como el denominador tiene signo (-) → 20 G2KODB4 16 GD2B2 AD3B4 (−) G.V = −( ) . .V . (?).V . G.V = − . .(?). → (-) 116) • = ~] • = 9 . 9 < = 9 9 e (4B + 12)(B − 9) = (4B − 3)(B − 8) 4B − 24B − 108 = 4B − 35B + 24 −24B − 108 = −35B + 24 11n = 132 B = 12 • = (. ) . . < = 15 • = 15 → ( )
  • 71. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 117) Q'ˆ Q'l Q Qm= = (Q ) ˆ (Qm=)m( 'l = ) Q Qm= ← G.U = ( )g . . ( ) t g G.U = g . Vt g G.U = g Vt g ; k=10 Al ser independiente de n : U Vt U = U 20 − 2 − 6O + 30 = 0 O = 8 → 2O = 16 - = 16 → = −12 (Q ) ˆ (Qm=)m( 'l = ) Q Qm= = (Q )8W (Qm=)8W Q Qm= Gg = ( ).V g . ( )g . contados desde la derecha Gg = ( ).V g g Para que sean racionales enteros -----el numerador ≥ 0 32 − 2h − 3h + 3 ≥ 0
  • 72. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 35 ≥ 5h 5h ≤ 35 → h ≤ 7 N. términos racionales → 7 → ( ) 118) • = < t = 4 → O = 2 Q+ . Q . = (Q )' . Q . De: O + O + O + − − − − − + O9 = t678 t t . Oe + O< + OM + − − − − − − +O + 3 = = tf78 t t . + 3 = t8| t t . + 3 = t(tf .) t . + 3 = ( f .) . + 3 = 2.U − 2 + 3 = 2.U + 1 → ( ) 119) Gg = GP − − − G2KODB4A DOE K2A
  • 73. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. Qkl Qklml Qk Qkm8 = (Qk)l (Qkm8)l Qk Qkm8 K = . GP = ( ) l78 . ( . ) l78 . GP = ( ) lm8 . ( . ) lm8 GP = ( . . ) lm8 GP = ( . ) lm8 GP = ( . ) lm8 GA : ( − 1)(2 − 1) = 30 ( − 1)(2 − 1) = 30 a < b: b -1= par → (2 − 1) 2A DOE K b-1=2 b= 3 y 2 − 1 = 15 → = 8 b-1 =6 b = 7 y 2a -1 = 5 → = 3 b-1 =10 b= 11 y 2a -1 = 3 → = 2 b-1 = 30 b= 31 y 2a -1 = 1 → = 1 = 7 → ~. -2 GéKODB4A → ( ) 120) (Q )6 6 Q = (Q )6 6 (Q ) (Q )6 6 (Q ) = ( + )9 . + ( + )9 . + ( + )9 . − − − − + 9 . El termino independiente → = 0
  • 74. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. ]• = 9 . + 9 + 9 + − − − + 9 . ]• = 9 . + 9 . + 9 . + − − − − + 9 . ]• = B 9 . → (-) 121) Q=67 S6m8 Q 6mS = (Q ) =67 (6mS) S6m8 6mS Q 6mS 9 = 9 . 9 3B − 13B − 10 = 10B − 2 3B -23n -8 =0 B = ± √ eV V = ± V → b B. = 8 B = − . B = 8 Gg = G.. = ( ) =67 .. . (?9 ).. . G.. = ( ) =67 .. . (?9 ).U G.. → ’“” ? GA = 3B + 2 − 22 + 10B − 50 …† = 13B − 70 = 13(8) − 70 …† = 34 → ( ) 122)
  • 75. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. • = Ut t . = Ut M t (20O + 35)(O − 3) = (20O − 57)(O + 1) 20O − 25O − 105 = 20O − 37O − 57 12 O = 48 → O = 4 • = U( ) . = 23 • = 23 → ( ) 123) Qkˆ 6 Q Qm= = (Q ) kˆ (Qm=)m l6 = Q Qm= - 9 = t → G.U = ( )g . . ( ) kˆ .U G.U = g U =kˆ → U 2h − 2 + 30 − t = 0 2(10) − 2 + 30 − t = 0 t = 48 → O = 32
  • 76. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. B = − t = −48 (Q ) kˆ (Qm=)m l6 = Q Qm= = (Q )8W (Qm=)8W Q Qm= Gg = ( ).V g ( )g . 32-2k +3-3k ≥ 0 → A2 4 GD2B2 G2KODB4A K D4B 02A 2BG2K4A 35 ≥ 5h → 5h ≤ 35 h ≤ 7 Número de términos = 7 → ( ) 124) Qˆ6 6 Qˆ = (Qˆ)6 ()6 Qˆ ; n = N. de términos Gg = ( t )9 g . (?)g . GA = m(n-k)+k-1 G = ( t )9 . (?) → …† = 21 O (B − 4) + 3 = 21 OB − 4 O = 18 − − − − − − − ( ) Además: considerando el término 2 y el tres: O(B − 2) + 1 − "O(B − 3) + 2# = 2 OB − 2O + 1 − OB + 3O − 2 = 2 m - 1=2 ; m = 3 De: OB − 4 O = 18 (3)B − 4(3) = 18 B = 10 → ( )
  • 77. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 125) n = t = ‚ M − − − − − − − (1) GP = ?MU → ~. GéKODB4A DOE K2A h = 9 . Gg = ( )9 678 . (?M ) 678 . Gg = ( ) 6m8 . (?M ) 6m8 = ?MU b B − 1 = M (B − 1) = 70 M = 70 → = 20 B = + 1 = 21 ; O = 2B = 42 ; E = 147 = E − 3O − 20 = 147 – 3(42) -20 = 1 → (-) 126)
  • 78. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. Qˆ Q6 Q' R = (Q') ˆ ' (QR) 6 R Q' R t = 9 M Gg” GQ = ( ) ˆ ' g (?M )g . ( ) ˆ ' g (?M )g . = ‚ ? < ----------(a) ( )g . (?M ) ˆ ' g = .V ? (‚ V) -----(b) -2 ( ); } 4O − 16h = 4E 7h − 7 = 28 7h − 7 = 28 → h = 5 O − 20 = E − − − − − ( ) -2 ( ): ` 4h − 4 = 16 7O − 28h = 8E − 48 4 h − 4 = 16 → h = 5 7O − 28(5) = 8E − 48 7O − 8E = 92 ------- (d) -2 ( ) ? (-); ` 8O − 8E = 160 −7O + 8E = −92 O = 68 ; E = O − 20 = 48 t = 9 M → B = 7 : t ; = 7(17) = 119
  • 79. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. E = m +n+p = 68 + 119 + 48 = 235 → (-) 127) 8|| S . = ( S) | . S . † = G.V G.V” ( ) U .V . (1).V . = U De: ( |)88 ( ')88 | ' , A1 GéKOD 4 2BGK 0 A2Ká: K = .. . = 6 GP = GV GP = −( U ).. V . ( )V . GP = −( U ) . ( ) = − .UU U → ( ) 128) • = 9 . 9 = ‚ ‚ • = 4 → 5B − 12 = 4B
  • 80. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. B = 12 QS6m8 '‰ Q6 ‰ = QS(8 )m8 (‰)' Q8 ‰ = Q'+ (‰)' Q8 ‰ (Q8 )' (‰) Q8 ‰ Gg = ( . ) g . (?‚ )g . ( . ) g . (?‚ )g . = ? ` 48 − 12h = 24 Eh − E = 3 48 − 12h = 24 → 12 h = 24 → h = 2 Eh − E = 3 → E(2 − 1) = 3 → E = 3 = B + E = 12 + 3 = 15 → ( ) 129) QRS =| QS = (QS)8S ( )8S QS Gg = ( )g . (? ). g − − − -2 DLT1D2K- -2K2 ℎ …† -2 h → 5 (h − 1) + 2(15 − h) = 40 5k -5 + 30-2 k = 40 3h = 15 → h = 5 Gg = GM P–9— p– p˜ p˜™˜Pš ›uœ•›˜™p
  • 81. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. GM” ( ). M (? )M . GM” ( )< (? )V GM = U ?. GM → …† = 40 + 12 …† = 52 → ( ) 130) Qk7lkl k=7l=7kl (Q)kl k 7l = Qk7lkl k=7l= .kl Qklkl k 7l = kl(Qk7l k=7l= ) kl(Qkl ‹k 7l ‹kl ) = Qk7l k=7l= Qkl k 7l mkl • = = = = = ( )( ) ( ) = + . = 1 = 1 → ( ) 131)
  • 82. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. GP = 9 → ~] = • = 17 tŠ=m'| 9‹=m88' tŠ 9‹ = (tŠ) Š=m'| Š (9‹) ‹=m88' ‹ tŠ 9‹ 17 = Q=m'| Q = =m88' − 17 − 40 = 0 → 1A 4 ž j (x-5)( + 5 + 8) − 0 → − 5 = 0 ; = 5 Y : ? − 17? − 114 = 0 → 1A 4 ?ž j (? − 6)(? + 6? + 19) = 0 → ? − 6 = 0 ; ? = 6 t+S 98| tS 9W = (tS)8R (9W)8R tS 9W GP = Ge
  • 83. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. Ge = (O ).M e . (BV )e . = O U Bu (O )< . (BV )< = O U Bu 48 = z = + ? + L = 5 + 6 + 48 = 59 → (-) 132) N = número de términos = n (Q )6 6 Q = (Q )6 6 (Q ) Penúltimo término → ~ − 1 G„ . = ( + 2?)„ („ .) . ?„ . . ( + 2?).) . ?„ = ? + 2?V (x+2y). ?„ = ? ( + 2?) → ~ − 2 = 5 ~ = 7 = n → ( ) 133) • = t 9
  • 84. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. Qˆ7 ˆ7 Q6 6 = (Q6)Œ (6)Œ Q6 6 G U = −( 9 )ƒ U (?9 ).e = − ? < } B(• − 20) = 2 19B = 38 B = 2 2 (• − 20) = 2 → • = 21 De: • = t 9 21 = t → O = 40 = O + B = 40 + 2 = 42 = 42 → (-) 134) (Q )=W Q=W Q = (Q )=W Q=W (Q ) Q G e = ( + 3) V e ( ) e . G e = ( + 3)M ( ) < = −1 → G e = (−1 + 3)M (−1) < = 2M (1) = 128 = 128 → ( )
  • 85. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 135) ( ˆ)ˆ78 ( )ˆˆ ˆ → Gg = ( t )tˆ g( )g . ← Gg = ( t )g .( )tˆ g O (Ot − h) + h − 1 − "O(h − 1) + Ot − h# = 4O − 4 O (Ot) − Oh + h − 1 − Oh + O − Ot + h = 4O − 4 O. Ot − Ot − 2Oh + 2h = 3O − 3 Ot(O − 1) − 2h(O − 1) = 3(O − 1) Ot − 2h = 3 h = tˆ ht›9 → Ot − 3 = 0 Si m =3 ; h = 12 ht›9 = 12 → ( )
  • 86. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 136) • = t = 9 = 8 O = 24 ? B = 40 Qˆ 6 Q= S = (Q=)+ (S)+ Q= S G = ( )< . (? ) . G = ( ) .(? ) G = e ? U → ( ) 137) • = Ut t . = Ut M t (20O + 35)(O − 3) = (O + 1)(20O − 57) 20O − 25O − 105 = 20O − 37 − 57 12 m = 48 → O = 4 • = U( ) . • = ~] = 23 → ( )
  • 87. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 138) • = 9 e = 9 6B + 18 = 9B ; B = 6 Q=67f =6 Q= = Q=(W)7f =(W) Q= = (Q=)f ( )f Q= GP = e . = 5 GP = G = ( )e (? ) . GP = G = ( ) (? ) GP = G = . ?< = 1 ? ? = 2 → GP = (1). (2)< GP = 256 → ( ) 139) (Q )8' 8' Q Q = (Q )8' 8' (Q Q ) = (Q )8' 8' (Q ) = "(Q ) #R ( )R (Q ) • = ~. -2 GéKODB4A = 7 GP = Gg = M . = 4 G = −"( + ) #M . ( ) .
  • 88. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. G = −"( + ) # . ( ) G = −( + )V V → ( ) 140) Q8SS f= QS = = (QS)=8 (=)=8 QS = • = 31 Gg = ( ) . g (? )g . 5(31-k) + 3(k-1)= 122 155 − 5h + 3h − 3 = 122 → h = 15 G. = ( ) . . (? ). . G. = ( ).V (? ). G. = <U ? DE = diferencia de exponentes: Ÿ = 80 − 42 = 38 → ( ) 141) Q6 . Q . = G.U = 9 .U 1e = 9 .U G U = 9 U 1 e = 9 U G.UU = 9 .UU 1ee = 9 .UU
  • 89. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. G.U. G U. G.UU = V ( 9 .U ). ( 9 U). ( 9 .UU ) = V 9 .VU = V 3B − 160 = 236 • = B = 132 → ( ) 142) • = 5 = 9 → B = 15 G = ( ) (1) . = V G = ( ) (1) . = 1 G + G = 1 + V → ( ) 143) Recuerde: Como la diferencia de las X y de “y”de dos posiciones consecutivas es:
  • 90. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 190-195 = - 5 147-140 = 7 El denominador del cociente es: − ?M Q? ? QS R El exponente de las variables x e y será: ( )9 − (?M )9 (QS)6 (R)6 QS R Un término k y k+1 será: Gg = ( )9 g (?M )g . = .e . ?. U Gg . = ( )9 (g .) (?M )(g .) . = .eU . ?. M } 5B − 5h = 195 7h − 7 = 140 7h − 7 = 140 → h = 21 5B − 5h = 195 → 5B − 5(21) = 195 B = 60 → (-) 144) GP = œ ? → ~] = • → DOE K M ‚ = t → EO = 150 (Q‰) RS ‰ ( ) ˆ Q‰ GP = ( ‚ ) RS ‰ g (? )g . = œ ? 2h − 2 = 24 → h = 13
  • 91. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. GP = G. → • = 25 • = M ‚ = t ; E = 3 ? O = 50 ‚(M g‚) ‚ = T ; T = 75 − hE → T = 75 − (13)(3) T = 36 = O + E + T = 50 + 3 + 36 = 89 → (-) 145) =6m= =6m= Q ‰ m8 ‰ m8 • = 6 ‰ . =6m= =6m= Q ‰ m8 ‰ m8 = Q( ‰ m8)Œ ( ‰ m8)Œ Q ‰ m8 ‰ m8 Gg = G = : ‰ . ; ƒ . (? ‰ . ). = .U ?. b (• − 2)Y2‚ − 1Z = 210 2‚ − 1 = 15 15(• − 2) = 210 → • = 16 2‚ − 1 = 15 → 2‚ = 2 E = 4 → 4E = 16 − − − − − ( ) • = 6 ‰ . → 16 = 6 ‰ . = 6 . 39 − 3 = 240 → 39 = 3
  • 92. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. B = 5 De: = $ ‚ 9 = $ .V( ) = 4 → ( ) 146) Qk ' Ql n = (Ql) k l (n) ' n Ql n Gg = G.< = ( ) k l .< (?P ).< . ( ) k l .< (?P ).M = ?.M b : .< ; = − 54 17 = 17 17 = 17 → = 1 − 18 = − 54 → = 3 Qk ' Ql n = Qk ' Q= = 24 → = 72 = + + = 72 +3+1 = 76 → ( )
  • 93. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 147) Qˆ 6 Q = = (Q ) ˆ (=) 6 = Q = • = t = 9 Gg = GM = ( ) ˆ M (? )M . = ? b : t − 7; 2 = 18 = O − 14 = 18 → O = 32 De: t = 9 → 16 = 9 → B = 48 (Q ) ˆ (=) 6 = Q = = (Q )8W (=)8W Q = G. = ( ).V . . (? ). . G. = ( ). . (? ). G. = ? G. → …† = 2 + 42 = 44 → ( ) 148) Qk=m'| l=m88' Qk l GP = Ge → • = ~] = 17
  • 94. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. = U = 17 = = .. → − 17 − 40 = 0 − 17 − 114 = 0 − 17 − 40 = 0 → ( − 5)( + 5 + 8) = 0 = 5 − 17 − 114 = 0 → ( − 6)( + 6 + 19) = 0 = 6 ž j Qk=m'| l=m88' Qk l = Q+S 8| QS W = (QS)8R (W)8R QS W Ge = ( ).M e (?V )< = U ?P 48 = c = + + = 5 + 6 + 48 = 59 → (-) 149)
  • 95. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc. 8Sˆ7S| 8Sˆm8| Qˆ78 ˆm • = . t U t . = . t .U t (15O + 50)(O − 2) = (15O − 10)(O + 1) 15O + 20O − 100 = 15O + 5O − 10 15m = 90 → O = 6 8Sˆ7S| 8Sˆm8| Qˆ78 ˆm = Q8'| +| QR ' = (QR) | (') | QR ' Gg = ( M ) U g (? )g . 7(20 − h) + 4(h − 1) = 85 140 – 7k +4k -4 =85 3h = 51 ; h = 17 Gg = 17 → ( ) 150) =| ˆ Q6 • = U 9 = t = 10 O = 20 ; B = 3 =| ˆ Q6 = Q=| | Q= = (Q=)8| ( )8| Q= = O + B = 20 + 3 = 23 → ( )
  • 96. ALGEBRA PREUNIVERSITARIA Ing. Widmar Aguilar, Msc.