1. iQyu
Qyu & f : A → B esa Qyu gS ;k ugha bldh tkap ds fy, fuEufyf[kr ijh{k.k
djrs gSa&
(i) A ds çR;sd vo;o dk f- ds vUrxZr B esa çfrfcEc fo|eku gS ;k ughaA
(ii) A ds çR;sd vo;o dk f- ds vUrxZr B esa ,d vksj dsoy ,d çfrfcEc
xf.kr fo|eku gksuk pkfg,A
Qyu&Øfer ;qXeksa ds leqPp; ds :i esa & Qyu f Øfer ;qXeksa (a, b) dk leqPp;
gSA tcfd
(i) a leqPp; A dk vo;o gksA
(ii) b leqPp; B dk vo;o gksA
(ii) f ds fdlh Hkh nks Øfer ;qXeksa esa çFke lnL; ,d ls ugha gksA
(iii) A dk çR;sd lnL; fdlh u fdlh ;qXe dk çFke lnL; vo'; gksA
Qyu ds çdkj & Qyu f : X → Y ,dSdh Qyu dgykrk gS ;fn X ds
egÙoiw.kZ lw=k fHkUu&fHkUu vo;oksa ds Y esa fHkUu&fHkUu çfrfcEc fo|eku gksA ;fn x1, x2, X ds
dksbZ nks vo;o gks vkSj
x1 ≠ x2 ⇒ f(x1) ≠ f(x2), f(x1) = f(x2) ⇒ x1 = x2 rc Qyu ,dSdh gksxkA
(i) cgq,dSdh Qyu & Qyu f : X → Y cgq,dSdh Qyu dgykrk gS ;fn X
ds fdUgha nks vo;oksa ds çfrfcEc Y esa leku gks] vFkkZr~ f : X → Y cgq,dSdh gksxk
;fn x1 ≠ x2 ⇒ f(x1) ≠ f(x2)
(ii) vkPNknd Qyu & Qyu f : X → Y ,d vkPNknd Qyu dgykrk gS
;fn Y ds çR;sd vo;o dk X esa çfrfcEc fo|eku gksA nwljs 'kCnksa esa f dk
ifjlj = f dk lgçkUrA
(iii) vUr{ksZih Qyu & Qyu f : X → Y vUr{ksZih Qyu dgykrk gS ;fn Y
Rajasthan Knowledge esa de ls de ,d vo;o ,slk gks ftldk çfrfcEc X esa fo|eku ugha gks vFkkZr~
IT shapes future CorporationLimited Y esa de ls de ,d vo;o ,slk gks ftlds fy, f–1(y) = φ rc Qyu vUr{ksZih
(A Public Limited Company Promoted by Govt. of Rajasthan)
gksrk gS] nwljs 'kCnksa esa f dk ifjlj ≠ f dk lgçkUrA
(2)
çfrykse Qyu & ;fn f : X → Y ,dSdh vkPNknd gks rks f dk çfrykse f–1 dqN egÙoiw.kZ dks.kksa ds f=kdks.kferh; vuqikr
: X → Y esa Qyu gS tks fd çR;sd vo;o y ∈ Y ds laxr x ∈ X ftlds fy, (Trigonometrical Ratios for Some Special Angles)
f(x) = y çfrykse Qyu dgykrk gSA 1º 1º
7 15º 22 18º 36º
fo"ke ,oa le Qyu 2 2
(i) fo"ke Qyu & ,d Qyu f(x) fo"ke Qyu dgykrk gSA ;fn f(–x) = 4 2 6 3 1 1 5 1 1
sin 2 2 10 2 5
–f(x) lHkh x ds fy, fo"ke Qyu dk xzkQ foijhr iknksa esa lefer gksrk gSA 2 2 2 2 2 4 4
(ii) le Qyu & ,d Qyu f(x) le Qyu dgykrk gSA ;fn f(–x) = –f(x) 4 2 6 3 1 1 1 5 1
cos 2 2 10 2 5
lHkh x ds fy,A le Qyu dk xzkQ y-v{k ikfjr lefer gksrk gSA 2 2 2 2 2 4 4
125 10 15
f=kdks.kehfr; iQyu ,oa f=kdks.kferh; vuqikr tan 3 2 2 1 2 3 2 1 52 5
5
,d nwljs ds inksa esa f=kdks.kferh; vuqikr
(Trigonometrical Ratios in Terms of each Other) lacaf/kr dks.kksa ds f=kdks.kferh; vuqikr
(Trigonometrical Ratios of Allied Angles)
sin cos tan cot sec cosec
f=kdks.kferh; vuqikr
sin sin 1 cos 2
tan 1 sec2 1 1 sin cos tan
1 tan 2
1 cos 2 sec cosec lacaf/kr dks.k
1 cot 1 sin cos tan
cos 1 sin 2 cos
;k
1 tan 2 1 cot 2 sec
90 cos sin cot
2
sin 1 cos 2 1
tan tan sec2 1
1 sin 2 cos cot 90 ;k cos sin cot
2
cot
1 sin 2 cos 1
cot
1 2
cosec 1 180 ;k sin cos tan
sin 1 cos 2 tan sec2 1 180 ;k sin cos tan
1 cot 2 cosec
;k 3
1 1
sec 1 tan 2 sec 270 cos sin cot
1 sin 2 cos cot cosec2 1 2
1 1 1 tan 2 sec 3
270 ;k cos sin cot
cosec 1 cot 2 cosec
sin tan 2
1 cos 2 sec2 1
360 ;k 2 sin cos tan
(3) (4)
2. f=kdks.kferh; vuqikrksa ds dks.kksa ds eku (ii) lg[k.M & vo;o aij dk lg[k.M çk;% Fij ls O;Dr fd;k tkrk gS]
(Trigonometrical Ratios for Various Angles) tksfd (–1)i+j Mij ds cjkcj gksrk gS tgka M vo;o aij dk milkjf.kd gSA
a11 a12 a13
;fn a21 a22 a23
a31 a32 a33
a a23
rks F 1
11 11 M11 M11 22
a32 a33
lkjf.kd F 1
1 2 a
M12 M12 21
a23
12
r`rh; dksfV ds lkjf.kd dk eku a31 a33
a11 a12 a13
lkjf.kd ds xq.k/keZ &
(i) fdlh lkjf.kd dh fdlh iafDr ¼LrEHk½ dks fdlh la[;k ls xq.kk djus ij
a21 a22 a23
a31 a32 a33 lkjf.kd dk eku Hkh ml la[;k ls xq.kk gks tkrk gS vFkkZr~
ka kb kc a b c ka b c
11 a a23 1 2 a a23 13 a21 a22 p q r k p q r kp q r
1 a11 22 1 a12 21 1
a32 a33 a31 a33 a31 a32 u v w u v w ku v w
a a23 a a23 a21 a22 (ii) fdlh lkjf.kd dh fdlh iafDr ¼LrEHk½ dk çR;sd vo;o ;fn nks inksa dk
a11 22 a12 21
a32 a33 a31 a33 a31 a32 ;ksx gks rks ml lkjf.kd dks mlh dksfV dh nks lkjf.kdksa ds ;ksxQy ds :i esa
milkjf.kd ,oa lg[k.M O;Dr fd;k tk ldrk gS vFkkZr~
(i) milkjf.kd a b c a b c
a11 a12 a13 p q r p q r p q r
a a23
;fn a21 a22 a23 rks a11 dk milkjf.kd M11 22 blh u v w u v w u v w
a32 a33
a31 a32 a33
a b c a b c b c
a a23 p q r p q r q r
rjg M12 21 lkjf.kd dk eku fuEu çdkj Kkr fd;k tkrk gSA rFkk
a31 a33 u v w u v w v w
Δ = a11 M11 – a12 M12 + a13 M13
;k Δ = –a21 M21 + a22 M22 – a23 M23 (iii) ;fn fdlh lkjf.kd dh fdlh iafDr ¼LrEHk½ ds çR;sd vo;o esa fdlh
;k Δ = a31 M31 – a32 M32 + a33 M33 nwljh iafDr ¼LrEHk½ ds laxr vo;oksa dks fdlh ,d dh jkf'k ls xq.kk djds tksM+s
(5) (6)
;k ?kVk;sa rks lkjf.kd dk eku ugh cnyrkA vFkkZr~
a b c a b c b c vFkkZr~
p q r p q r q r
u v w u v w v w
eSfVªDl
nks lkjf.kdksa dk xq.kuQy eSfVªDl ds çdkj
nks lkjf.kd ftudh dksfV nks gS dk xq.kuQy fuEu çdkj ifjHkkf"kr gS&
(i) iafDr eSfVªDl & A=[aij]m×n ,d iafDr eSfVªDl gS ;fn m = 1
a1 b1 1 m1 a b a1m1 b1m2 (ii) LrEHk eSfVªDl & A=[aij]m×n ,d LrEHk eSfVªDl gS ;fn n = 1
1 1 1 2
a2 b2 2 m2 a2 1 b2 2 a2 m1 b2 m2 (iii) oxZ eSfVªDl & A=[aij]m×n ,d oxZ eSfVªDl gS ;fn m = n
nks lkjf.kd ftudh dksfV rhu gS dk xq.kuQy fuEu çdkj ifjHkkf"kr gS& (iv) ,dy eSfVªDl & A=[aij]m×n ,d ,dy eSfVªDl gS ;fn m = n = 1
(v) 'kwU; eSfVªDl & A=[aij]m×n ,d 'kwU; eSfVªDl gS ;fn aij = 0 lHkh i rFkk j
a1 b1 c1 1 m1 n1
ds fy,
a2 b2 c2 2 m2 n2
(vi) fod.kZ eSfVªDl & ,d oxZ eSfVªDl A–[aij]m×n ,d fod.kZ eSfVªDl gS ;fn
a3 b3 c3 3 m3 n3
aij = 0 tc i ≠ j
0 i j
a11 b1 2 c1 3 a1m1 b1m2 c1m3 a1n1 b1n2 c1n3 (vii) vfn'k eSfVªDl & A= [aij] ,d vfn'k eSfVªDl gSA ;fn aij tgka
k i j
a2 1 b2 2 c2 3 a2 m1 b2 m2 c2 m3 a2 n1 b2 n2 c2 n3 K vpj gSA
a31 b3 2 c3 3 a3 m1 b3 m2 c3 m3 a3 n1 b3 n2 c3 n3 (viii) bdkbZ eSfVªDl & ,d oxZ eSfVªDl A=[aij] ,d bdkbZ eSfVªDl gSA ;fn
lefer lkjf.kd 1 i j
aij
;fn fdl lkjf.kd ds çR;sd vo;o ds aij fy, aij = aji ∀ i, j gks rks mls lefer 0 i j
lkjf.kd dgrs gSA (ix) f=kHkqtkdkj eSfVªDl
a h g (a) Åijh f=kHkqtkdkj eSfVªDl& ,d oxZ eSfVªDl [aij] Åijh f=kHkqtkdkj
vFkkZr~ h b f eSfVªDl dgykrk gS ;fn aij = 0 tcfd i > j.
g f c (b) fuEu f=kHkqtkdkj eSfVªDl& ,d oxZ eSfVªDl [aij] fuEu f=kHkqtkdkj eSfVªDl
fo"ke lefer lkjf.kd dgykrk gS ;fn aij = 0 tcfd i < j.
;fn fdl lkjf.kd ds çR;sd vo;o ds aij fy, aij = – aji ∀ i, j gks rks mls fo"ke (x) vO;qRØe.kh; vkSj O;qRØe.kh; eSfVªDl&
lefer lkjf.kd dgrs gSA ;fn lkjf.kd |A| = 0 ⇒ vO;qRØe.kh;
;fn lkjf.kd |A| ≠ 0 ⇒ O;qRØe.kh;
(7) (8)
3. eSfVªDl dk ;ksx ,oa O;odyu 1 1 ax
;fn A[aij]m×n rFkk [bij]m×n nks leku dksfV dh eSfVªDl gks rks mudk ;ksx A + B (xvii) a 2 x 2 dx 2a log a x c x a
og eSfVªDl gS ftldk çR;sd vo;o eSfVªDl A rFkk B ds laxr vo;oksa ds ;ksx 1 x x
dx sin 1 c cos 1 c
ds cjkcj gSA vFkkZr~ A + B = [aij + bij]m×n (xviii)
a 2 x2 a a
vfuf'pr lekdyu 1 x
dx log x x 2 a 2 c sinh 1 c
ekud lw=k (xix)
x2 a 2 a
xn 1 1 x
x dx loge x c
1
x c n 1 dx log x x 2 a 2 c sinh 1 c
n
(i) dx (ii)
n 1 (xx)
x2 a2 a
ax
a x 2 2 a 2 1 x
x
dx c a x log e e c
e
x
dx e x c
(iii) (iv)
log e a (xxi) a 2 x 2 dx
2
a x sin
2 a
c
(v) sin xdx cos x c (vi) sin xdx sin x c x 2 a2 x
(xxii) x2 a 2 dx x a 2 sin 1 c
(vii) tan xdx log sec x c log cos x c 2 2 a
(viii) cot xdx log sin x c x 2 2 a2 x
(xxiii) x2 a 2 dx x a cos h 1 c
2 2 a
x
(ix) sec xdx log sec tan x c log sec x tan x c log tan 4 2 c 1 1 x
dx sec 1 c
(xxiv) a a
x x 2 a2
x
(x) cosec dx log cosec x cot x log cosecx cot x c log tan 2 c
eax eax b
(xxv) eax sin bxdx a sin bx b cos bx c sin bx tan 1 c
a2 b2 a 2 b2 a
(xi) sec x tan xdx sec x c (xii) cosec x cot xdx cosec x c
eax eax b
(xiii) sec2 xdx tan x c e
ax a cos bx b sin bx c cos bx tan 1 c
co sec
2
(xiv) xdx cot x c (xxvi) cos bxdx
a 2 b2 a
a 2 b2
2 1 1
x
(xv) x2 a 2 dx a tan c
a (xxvii)
1
f ax b dx a ax b c
1 1 xa
(xvi) x2 a 2 dx 2a log x a c x a lekdyu
fuf'pr lekdyu ds xq.k/keZ
(9) (10)
f x, y
dy
1 ;k dy F y
dv
dx
dx f 2 x, y dx x F v v x
b b b h x
f t dt h x f h x g x f g x
d
(i) f x dx f t dt f u du (ix) dx
a a a g x
b b
f x dx f x dx
vody lehdj.k
(ii)
a a vody lehdj.k dh dksfV rFkk ?kkr& vodyu lehdj.k esa fo|+eku
b c b vodytksa dk mPpre Øe gh ml lehdj.k dh dksfV dgykrk gS rFkk vody
(iii) f x dx f x dx f x dx a c b lehdj.k esa mPpre vodyt dh ?kkr gh ml vody lehdj.k dh ?kkr
a a c
2
d3y dy
a a dgykrh gSA vody lehdj.k 3 y ex dh dksfV 3 rFkk 1 ?kkr gSA
dx 3 dx
(iv) f x dx f a x dx
0 0 çFke dksfV o çFke ?kkr vody lehdj.k
a
a dy dy
f x f x dy f x dx
f x dx 2 f x dx ;fn f x f x ¼le Qyu½
(i)
dx dx
nksuksa rjQ lekdyu djus ij
a
(v) 0
vkSj ;fn f x f x ¼fo"ke Qyu½
0
dy f x dx c ;k y f x dx c
dy dy dy
f x g y f x g y
2a a a
f x dx c
(vi) f x dx f x dx f 2a x dx ¼lkekU; :i ls½ (ii) dx dx g y
0 0 0
dy dv
f ax by c
a bf v
a (iii) dx
2 f x dx if f 2a x f x
dx
0
if f 2a x f x
0
(iv)
an T T
(vii) f x dx n f x dx ¼;fn f x T f x vkSj n N ½ dy
P y Q y e
pdx
Q e
pdx
dx c
(v)
a 0 dx
b b lfn'k
(viii) f x dx f a b x dx lfn'k ;k ØkWl xq.kuQy& ekuk a rFkk b nks lfn'k gS rFkk θ muds e/; dks.k
a a
gS rc a × b = |a||b| sin θ n ;gka n, a rFkk b ds yEcor~ bdkbZ lfn'k gSA
(11) (12)
4. lfn'k xq.kuQy ds xq.kuQy f=kfofe; funsZ'kkad T;kfefr
(i) a b b a i.e. a b b a funsZ'kkad& nks fcUnqvksa rFkk ds e/; nwjh
(ii)
PQ x2 x1 2 y2 y1 2 z2 z1 2
(iii)
ewy fcUnq ls fcUnq x1 , y1 , z1 dh nwjh
(iv) ;fn a a1iˆ a2 ˆ a3 k
j ˆ rFkk rks
;fn fcUnq P x1 , y1 , z1 rFkk dks feykus okyh js[kk dks fcUnq
(v) a rFkk nksuksa ds yEcor~ lfn'k gksrk gSA
vuqikr esa foHkkftr djrk gS] rks
(vi) rFkk ds ry ds yEcor~ bdkbZ lfn'k gksrk gSA rFkk ¼ a rFkk
m x m2 x1 m y m2 y1 m z m2 z1
x 1 2 ;y 1 2 ;z 1 2
m1 m2 m1 m2 m1 m2
;k rFkk ½ ds ry ds yEcor~ ifjek.k dk ,d lfn'k a b gksrk
ab ¼vUr foHkktu½
gSA m1 x2 m2 x1 m y m2 y1 m z m2 z1
ˆ j ˆ
rFkk x m1 m2
;y 1 2
m1 m2
;z 1 2
m1 m2
(vii) ;fn i , ˆ, k rhu bdkbZ lfn'k rhu ijLij yEcor~ js[kkvksa ds vuqfn'k gS rks
;k ¼cká foHkktu½
(viii) ;fn rFkk lejs[kh; gS rks ;fn P x1 , y1 , z1 rFkk dks feykus okyh js[kk dks fcUnq
(ix) vk?kw.kZ % cy tks fcUnq A ij fcUnq B ds lksi{k dk;Zjr gS rks lfn'k vuqikr esa foHkkftr djrk gS] rks
cyk?kw.kZ gksrk gSA
(x) (a) ;fn ,d f=kHkqt dh nks vklUu Hkqtk,a rFkk gks rks bldk {ks=kQy
vUr foHkktu ds fy, /kukRed fpUg rFkk cká foHkktu ds fy, _.kkRed
fpUg ysrs gSA
(b) ;fn ,d lekukUrj prqHkqZt dh nks vklUu Hkqtk,a a rFkk gks rks bldk x x y y2 z1 z2
PQ dk ek/; fcUnq 1 2. 1 ,
{ks=kQy 2 2 2
(c) ;fn ,d lekukUrj prqHkqZt dh nks fod.kZ rFkk gks rks bldk {ks=kQy ,d f=kHkqt ABC ftlds 'kh"kZ rFkk gS]
dk dsUæd gSA
(13) (14)
?kVuk ds fy, la;ksxkuqikr
A ds i{k esa la;ksxkuqikr = m : (n – m)
A ds foi{k esa la;ksxkuqikr = m : (n – m) : m
,d prq"Qyd ABCD ftlds 'kh"kZ rFkk çkf;drk dk ;ksx fl)kar
gS] dk dsUæd gSA fLFkfr & 1 : tc ?kVuk,a ijLij viothZ gksa
;fn A rFkk B ijLij viothZ ?kVuk,a gks rks
fnDdksT;k,a ,oa ç{ksi& x- v{k dh fnDdksT;k,a cos0, cosπ/2, cosπ/2 vFkkZr~ 1, fLFkfr & 2 : tc ?kVuk,a ijLij viothZ ugha gksa
0, 0 gksrh gSA blh çdkj y rFkk z-v{k dh fnDdksT;k,a Øe'k% (0, 1, 0) rFkk (0, 0,
;fn A rFkk B ijLij viothZ ?kVuk,a ugha gks rks
1) gksrh gSA P A B P A P B P A B
;k ;k P A B P A P B P A B
çkf;drk dk xq.ku fl)kar
fLFkfr & 1 : tc ?kVuk,a Lora=k gks
fdlh js[kk PQ ds fnd~ vuqikr ¼tgka P rFkk Q Øe'k% (x1, y1, z1) rFkk (x2, y2, ;fn A1,A2,…,An Lora=k ?kVuk,a gks rks P(A1,A2,…,An)
z2) gS½ x2 – x1, y2 – y1, z2 – z1 gksrs gSaA P A1 P A 2 P A n
;fn a, b, c fnd~ vuqikr rFkk l, m, n fnd~dksT;k,a gS rks
;fn A rFkk B nks Lora=k ?kVuk,a gks rks B dk ?kfVr gksuk A ij dksbZ çHkko ugha
MkyrkA blfy,
P A/ B P A rFkk P B/ A P B
çkf;drk rc P A B P A P B ;k P A B P A P B
çkf;drk dh xf.krh; ifjHkk"kk& ;fn A dksbZ ?kVuk gS rks fLFkfr & 2 : tc ?kVuk,a Lora=k u gks] nks ?kVuk,a A rFkk B ds ,d lkFk ?kfVr
gksus dh çkf;drk A dh çkf;drk rFkk B dh çfrcaf/kr çkf;drk ¼tc A ?kfVr gks
m A dh vuqdwy fLFkfr;ksa dh la[;k
P A pqdh gks½ ds xq.kuQy ds cjkcj gksrh gS ¼;k B dh çkf;drk rFkk A dh çfrcafèkr
n A dh dqy fLFkfr;ksa dh la[;k çkf;drk ds xq.kuQy ds cjkcj gksrh gSA½ vFkkZr~
0 P A 1 ] P A
nm m
1 1 P A P A B P A P B/ A ;k P A B P B P A/ B ;k
n n
P A B P A P B/ A ;k P B P A/ B
∴ P A P A 1
(15) (16)