Page 298 - DECO403_MATHEMATICS_FOR_ECONOMISTS_HINDI

VED1
E\L-LOVELY-H\math18-1 IInd 6-8-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12 VIIth 11-5-13

vFkZ'kkfL=k;ksa dk xf.kr

uksV a 11 a 12 ... a 1n
a 21 a 22 ... a 2n
:
a m 1 a m 2 ... a mn

uksV~l la[;k;ssa - - vkO;wg osQ ?kVd ;k vo;o

dgykrh gSaA
{kSfrt F I
vo;oksa ls iafDr ( & vkSj ÅèokZ/j J vo;oksa ls LrEHk
curs gSaA tSlsµ

 4 5 6

,   ,d vk;rkdkj foU;kl gS ftlesa iafDr;k¡ vkSj ! LrEHk gSa vkSj 9 ! , vo;oksa
 − 1 0 3 

dh la[;k;sa gSaA
2 

blh izdkj 3 ,d vk;rkdkj foU;kl gS ftlesa ! iafDr;k¡ vkSj 1 LrEHk gS vkSj

1 

izfof"V;k¡

dh la[;k;sa ! 9 , ! gSaA

18-1 vkO;wg dk Øe ;k foek;sa * )

tSls vk;r (
dh nks foek;sa yEckbZ vkSj pkSM+kbZ gksrh gSa mlh izdkj vkO;wg dh foek;sa iafDr;ksa dh
la[;k 9 LrEHkksa dh la[;k gksrh gSA ifjHkk"kk esa fn;s gq, vkO;wg dks
- - vkfn ls laosQr djrs gSaA tSls

bR;kfnA

18-2 vkO;wg dk laosQru +
* )

;fn fdlh Hkh vkO;wg esa iafDr;ksa vkSj LrEHkksa dh la[;k,¡ vkSj gksa] rks vk;rkdkj foU;kl esa oqQy 9

vo;oksa dh la[;k gksxhA vkO;wg dh ! iafDr vkSj ' LrEHk esa vo;oksa dh fLFkfr gks] rks vkO;wg dks

fuEu izdkj fy[kk tkrk gSµ

,
, . /

tgk¡] ! , - - !- - rFkk ' , - - !- - gSA

D;k vki tkurs gSa ;gk¡ ;g mYys[kuh; gS fd vkO;wg la[;kvksa dk vk;rkdkj foU;kl (fo'ks"k lqxfBr
,oa laf{kIr :i esa fy[ks gq,) ek=k gSaA budk dksbZ la[;kRed eku ugha gSA