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VED1
E L-LOVELY-H math20-1 IInd 21-10-11 IIIrd 24-1-12 IVth 21-4-12 VIth 10-9-12

Tanima Dutta, Lovely Professional University fJekJh^20 L eq/wo d/ fB:w

fJekJh^20L eq/wo d/ fB:w B'N

(Cramer’s Rule)

ftP/ t;s{ (Contents)
T[d/P (Objectives)
gq;sktBk (Introduction)

20H1 :[rgs ;wheoDK dk jZb (eq/wo d/ fB:w) [Solution of Simultaneous Equations
(Cramer’s Rule)]
20H2 ;koKP (Summary)

20H3 Ppde'P (Keywords)
20H4 nfGnk; gqPB (Review Questions)

20H5 ;zdoG g[;seK (Further Readings)

T[d/P (Objectives)
fJ; fJekJh d/ nfXn?B s'A pknd ftfdnkoEh :'r j'Dr/L

• :[rws ;wheoDK B{z jZB eoB dh ftXh B{z f;Zy ;eDr/.
• eq/wo d/ fB:w s'A ikD{ j'Dr/.

gq;sktBk (Introduction)
eq/wo B/ :[rgs ;wheoDK B{z jZB eoB dh ;ob ftXh dh y'i ehsh fi;B{z ;kofDe ftXh dk BKt
fdzd/ jB. fJ; ftXh Bkb ;wheoDK B{z n;kBh Bkb jZb ehsk ik ;edk j?.

20H1 :[rgs ;wheoDK dk jZb (eq/wo d/ fB:w)
[Solution to Simultaneous Equations (Cramer’s Rule)]

:[rgs ;wheoDK dk jZb ;kofDe d[nkok n;kBh Bkb j/m nB[;ko eZfYnk ik ;edk j?^
gfjbK n;hA d' uoK d/ :[rws ;wheoDK B{z jZb eoKr/^
a 1 x + b 1 y = c 1 ....(i)
a 2 x + b 2 y = c 2 ....(ii)
a b
uoK (x ns/ y) d/ r[DKeK dk ;kofDe 1 1 jB, x dk wkB eZYD d/ bJh r[DKeK d/ ;kofDe d/
a b
2 2
c b
r[DKeK d/ ;szG d/ ;EkB s/ nuoK dk ;szG fby fdzd/ jK, fJ; soQK ;kofDe 1 1 j' ikJ/rk.
c b
2 2
fJ;h soQK y dk wkB eZYD d/ bJh y d/ r[DKeK d/ ;szG d/ ;EkB s/ nuoK dk ;szG fby fdzd/ jK.
fJ;B{z n;hA j/m nB[;ko fby fdzd/ jK^

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