Page 321 - DECO403_MATHEMATICS_FOR_ECONOMISTS_HINDI

VED1
E\L-LOVELY-H\math20-1 IInd 21-10-11 IIIrd 24-1-12 IVth 21-4-12 VIth 10-9-12 VIIth 11-5-13

bdkbZ
ozsQej osQ fu;e

mnkgj.k 2- vkO;wg osQ iz;ksx }kjk gy dhft;sµ uksV

!

!!

gy % mi;qZDr lehdj.kksa dks vkO;wg osQ :i esa fy[kus ij

, -

 42  x   2
;gk¡]
,   - ,  rFkk - ,  
y
 35    21 
ozsQej osQ fu;e dk iz;ksx djus ij

,
-
AdjointA
, -
A
||

Kkr djus osQ fy;s igys gesa fn;s gq, vkO;wg dk ifjorZ K
>
djuk gksxkµ
 43

′ ,  
 25 

5 − 2

,
− 3 4

lg[k.M $ , 0 '
lg[k.M ! , 2

lg[k.M , 2 !
lg[k.M ' , 0 $

 5 − 2
Adj A 1  5 −  2  14 14 

, =    
A
|| 14 − 3 4    − 3 4 
  14 14  
 −  5 2
 x  14   14  2
vc  ,    
y
  −3 4   21 
  14  14
 5 ×  2 +     − 2 ×  21       5 − 3  −  16
,   14   14   =  7   =    7  
  − 3 ×  2 +    4 ×  21     − 3 6  + 39 
  14    14    7      7   

−16 39
vr% , rFkk , gksxkA
7 7