Page 363 - DECO403_MATHEMATICS_FOR_ECONOMISTS_HINDI

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E\L-LOVELY-H\math24-1 IInd 21-10-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12

bdkbZ vkxr&fuxZr fo'ys"k.k

rks vk; dk larqyu vkSj fofHkUu lSDVjksa dk fuxZr Kkr djsaA ifj.kkeksa dh rqyuk djsa ;fn " 4 //7 " 4 // uksV

gksA

gy % larqyu dh fLFkfr esa]
" 4 "

∴ / % 3 // 4 / 3 //

vFkok % 3 /// 4 3 ///

vFkok 4 ///
vFkok 4 %//

iqu% " 4 / % 3 // 4 % 8 %// 3 // 4 %/

" 4 / 3 // 4 / 8 %// 3 // 4 %/

ge tkurs gSa fdµ
4 3

vFkok 5
;gk¡ 4 {ks=k rFkk {ks=k dk oqQy mRiknu gS

4 bdkbZ O;wg
4 vfUre ek¡x
4 O;wwg xq.kkad
) $

vc
 10  0.1 0.3
5 4   −  
 01   0 0.2 

 0.9 − 0.3
4  
 0 0.8 
Adjoint

5 4
Determinant
 0.9 − 0.3
5 4  
 0 0.8 

4 / (
 0.9 0
i{kkUrjf.kr O;wg 5 4  
 − 0.3 0.8 

of 0.9 = 0.8


of 0.3 = 0   (1) i + j ∴−
  

0 = 0.3 for cofactor sign
  

0.8 = 0.9 

