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APOSTILA DE EXERCÍCIOS
BINÔMIO DE NEWTON
BINÔMIO DE NEWTON
1
01. (Ita 2014) Para os inteiros positivos k e n, com k n,
 sabe-se que
n n 1
n 1
.
k k 1
k 1
+
   
+
=
   
+
+    
Então, o valor de
n n n n
1 1 1
...
0 1 2 n
2 3 n 1
       
+ + + +
       
+
       
é igual a
a) n
2 1.
+
b) n 1
2 1.
+
+
c)
n 1
2 1
.
n
+
+
d)
n 1
2 1
.
n 1
+
−
+
e)
n
2 1
.
n
−
02. (Esc. Naval 2013) O coeficiente de 5
x no desenvolvimento de
7
3
2
x
x
 
+
 
 
é
a) 30
b) 90
c) 120
d) 270
e) 560
03. (Ita 2013) O coeficiente de 4 4
x y no desenvolvimento de ( )10
1 x y
+ + é
a) 3150
b) 6300
c) 75600
d) 81900
e) 151200
04. A soma dos algarismos do termo independente de x no desenvolvimento do binômio de Newton
8
2
x
x
 
+
 
 
é
a) 3
b) 4
c) 6
d) 7
05. Desenvolvendo-se o binômio 5
P(x) (x 1) ,
= + podemos dizer que a soma de seus coeficientes é
a) 16
b) 24
c) 32
d) 40
e) 48
BINÔMIO DE NEWTON
2
06. Para 𝑥 ∈ ℕ e x 2,
 a expressão
( )
( ) ( )
2
2
x 1 ! x!
x 2 ! x 1 !
− 
−  +
é equivalente a
a) x 2
−
b) (x 2)!
−
c) (x 1)!
−
d) x
e) x 1
−
07. O termo independente de x do desenvolvimento de
12
3
1
x
x
 
+
 
 
é
a) 26
b) 169
c) 220
d) 280
e) 310
08. (Esc. Naval 2012) Seja m a menor raiz inteira da equação
(x 1)(5x 7)
! 1.
3
− −
 
=
 
 
Pode-se afirmar que o termo médio
do desenvolvimento de 3 12m
( y z )
− é
a)
3
18 2
12!
y z
6!6!
b) 3 18
12!
y z
6!6!
−
c)
15
45
2
30!
y z
15!15!
d)
15
45
2
30!
y z
15!15!
−
e) 3 18
12!
y z
6!6!
09. A expressão n
(x y) ,
+ com n natural, é conhecida como binômio de Newton. Seu desenvolvimento é dado assim:
n n 0 n 1 1 n p p n n
n,0 n,1 n,p n,n
(x y) C x y C x y C x y C x y
− − −
+ = + + + . Assim, a expressão 2 2
4x 4xy y
+ + corresponde a
a) 2 0 1 1 0 2
2,0 2,1 2,2
C (2x) y C (4x) y C (2x) y .
+ +
b) 2 0 1 1 0 2
2,0 2,1 2,2
C (2x) y C (2x) y C (4x) y .
+ +
c) 2 0 1 1 0 2
2,0 2,1 2,2
C (x) y C (2x) y C (2x) y .
+ +
d) 2 0 1 1 0 2
2,0 2,1 2,2
C (4x) y C (4x) y C (4x) y .
+ +
e) 2 0 1 1 0 2
2,0 2,1 2,2
C (2x) y C (2x) y C (2x) y .
+ +
10. Qual o coeficiente de 7
x na expansão de 2 4
(2 3x x ) ?
+ +
a) 18 b) 16 c) 14 d) 12 e) 10
BINÔMIO DE NEWTON
3
11. Qual é o valor do termo independente de x do binômio
n
2
2
x ,
x
 
+
 
 
considerando que o mesmo corresponde ao
sétimo termo de seu desenvolvimento?
a) 435
b) 672
c) 543
d) 245
12. No desenvolvimento
n
2 3
x ,
x
 
+
 
 
𝑛 ∈ ℕ, os coeficientes binominais do quarto e do décimo terceiro termos são
iguais. Então, o termo independente de x é o:
a) décimo
b) décimo-primeiro
c) nono
d) décimo-segundo
e) oitavo
13. (Ita 2010) A expressão (2 3 5
+ )5
– (2 3 5
− )5
é igual a
a) 2630 5
b) 2690 5
c) 2712 5
d) 1584 15
e) 1604 15
14. Povos diferentes com escrita e símbolos diferentes podem descobrir um mesmo resultado matemático. Por
exemplo, a figura a seguir ilustra o Triângulo de Yang Yui, publicado na China em 1303, que é equivalente ao Triângulo
de Pascal, proposto por Blaise Pascal 352 anos depois.
Na expressão
100
100 2 99 100 n
0 1 2 99 100 n
n 0
(x 1) a a x a x a x a x a x
=
+ = +  +  + +  +  = 
 , o coeficiente 2
a de 2
x é
a) 2 b) 100 c) 4.950 d) 9.900 e) 100
2
BINÔMIO DE NEWTON
4
15.O símbolo
n
k
 
 
 
indica a combinação de n objetos k a k. O valor de 2 2
x y
− quando
20 k
20
k 0
20 3
x 4
k 4
=
   
=  
   
 
 
 e
20 k
20
k 0
20 2
y 5
k 5
=
   
=  
   
 
 
 é igual a
a) 0
b) - 1
c) - 5
d) - 25
e) - 125
GABARITO
1 - D 2 - E 3 - A 4 - B 5 - C
6 - E 7 - C 8 - E 9 - E 10 - D
11 - B 12 - B 13 - B 14 - C 15 - A

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Binômio de Newton 2

  • 2. BINÔMIO DE NEWTON 1 01. (Ita 2014) Para os inteiros positivos k e n, com k n,  sabe-se que n n 1 n 1 . k k 1 k 1 +     + =     + +     Então, o valor de n n n n 1 1 1 ... 0 1 2 n 2 3 n 1         + + + +         +         é igual a a) n 2 1. + b) n 1 2 1. + + c) n 1 2 1 . n + + d) n 1 2 1 . n 1 + − + e) n 2 1 . n − 02. (Esc. Naval 2013) O coeficiente de 5 x no desenvolvimento de 7 3 2 x x   +     é a) 30 b) 90 c) 120 d) 270 e) 560 03. (Ita 2013) O coeficiente de 4 4 x y no desenvolvimento de ( )10 1 x y + + é a) 3150 b) 6300 c) 75600 d) 81900 e) 151200 04. A soma dos algarismos do termo independente de x no desenvolvimento do binômio de Newton 8 2 x x   +     é a) 3 b) 4 c) 6 d) 7 05. Desenvolvendo-se o binômio 5 P(x) (x 1) , = + podemos dizer que a soma de seus coeficientes é a) 16 b) 24 c) 32 d) 40 e) 48
  • 3. BINÔMIO DE NEWTON 2 06. Para 𝑥 ∈ ℕ e x 2,  a expressão ( ) ( ) ( ) 2 2 x 1 ! x! x 2 ! x 1 ! −  −  + é equivalente a a) x 2 − b) (x 2)! − c) (x 1)! − d) x e) x 1 − 07. O termo independente de x do desenvolvimento de 12 3 1 x x   +     é a) 26 b) 169 c) 220 d) 280 e) 310 08. (Esc. Naval 2012) Seja m a menor raiz inteira da equação (x 1)(5x 7) ! 1. 3 − −   =     Pode-se afirmar que o termo médio do desenvolvimento de 3 12m ( y z ) − é a) 3 18 2 12! y z 6!6! b) 3 18 12! y z 6!6! − c) 15 45 2 30! y z 15!15! d) 15 45 2 30! y z 15!15! − e) 3 18 12! y z 6!6! 09. A expressão n (x y) , + com n natural, é conhecida como binômio de Newton. Seu desenvolvimento é dado assim: n n 0 n 1 1 n p p n n n,0 n,1 n,p n,n (x y) C x y C x y C x y C x y − − − + = + + + . Assim, a expressão 2 2 4x 4xy y + + corresponde a a) 2 0 1 1 0 2 2,0 2,1 2,2 C (2x) y C (4x) y C (2x) y . + + b) 2 0 1 1 0 2 2,0 2,1 2,2 C (2x) y C (2x) y C (4x) y . + + c) 2 0 1 1 0 2 2,0 2,1 2,2 C (x) y C (2x) y C (2x) y . + + d) 2 0 1 1 0 2 2,0 2,1 2,2 C (4x) y C (4x) y C (4x) y . + + e) 2 0 1 1 0 2 2,0 2,1 2,2 C (2x) y C (2x) y C (2x) y . + + 10. Qual o coeficiente de 7 x na expansão de 2 4 (2 3x x ) ? + + a) 18 b) 16 c) 14 d) 12 e) 10
  • 4. BINÔMIO DE NEWTON 3 11. Qual é o valor do termo independente de x do binômio n 2 2 x , x   +     considerando que o mesmo corresponde ao sétimo termo de seu desenvolvimento? a) 435 b) 672 c) 543 d) 245 12. No desenvolvimento n 2 3 x , x   +     𝑛 ∈ ℕ, os coeficientes binominais do quarto e do décimo terceiro termos são iguais. Então, o termo independente de x é o: a) décimo b) décimo-primeiro c) nono d) décimo-segundo e) oitavo 13. (Ita 2010) A expressão (2 3 5 + )5 – (2 3 5 − )5 é igual a a) 2630 5 b) 2690 5 c) 2712 5 d) 1584 15 e) 1604 15 14. Povos diferentes com escrita e símbolos diferentes podem descobrir um mesmo resultado matemático. Por exemplo, a figura a seguir ilustra o Triângulo de Yang Yui, publicado na China em 1303, que é equivalente ao Triângulo de Pascal, proposto por Blaise Pascal 352 anos depois. Na expressão 100 100 2 99 100 n 0 1 2 99 100 n n 0 (x 1) a a x a x a x a x a x = + = +  +  + +  +  =   , o coeficiente 2 a de 2 x é a) 2 b) 100 c) 4.950 d) 9.900 e) 100 2
  • 5. BINÔMIO DE NEWTON 4 15.O símbolo n k       indica a combinação de n objetos k a k. O valor de 2 2 x y − quando 20 k 20 k 0 20 3 x 4 k 4 =     =            e 20 k 20 k 0 20 2 y 5 k 5 =     =            é igual a a) 0 b) - 1 c) - 5 d) - 25 e) - 125 GABARITO 1 - D 2 - E 3 - A 4 - B 5 - C 6 - E 7 - C 8 - E 9 - E 10 - D 11 - B 12 - B 13 - B 14 - C 15 - A