Page 298 - DECO403_MATHEMATICS_FOR_ECONOMISTS_PUNJABI

VED1
E L-LOVELY-H math20-1 IInd 6-8-11 IIIrd 24-1-12 IVth 21-4-12 VIth 10-9-12

noEPk;soh dk rfDs

B'N 8
fJ; soQK jZb eoB s/ x =− , y = 1, z = 1 gqkgs j'Dr/.
15

;t?^w[bKeD (Self Assessment)

ykbh ;EkBK dh g{osh eo' (Fill in the blanks)^
1H :[rws ;wheoDK dk jZb HHHHHHHHHHHHHHH d[nkok n;kBh Bkb ehsk ik ;edk j?.

x y
2H = = .........
c 1  b  a 1  c 
1
1
   
c 2  b 2  a 2  c 2 
-1
3H A gsk eoB d/ bJh gfjbK fdZs/ j'J/ t:{j dk HHHHHHHHHHHH eoBk j[zdk j?.

20H2 ;koKP (Summary)
• :[rws ;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
a 2 x + b 2 y = c 2
a b
uoK (x ns/ y) d/ r[DKeK dk ;kofDe 1 1 jB, x dk wkB eZYD d/ bJh r[DKeK d/
a 2 b 2
;kofDe d/ r[DKeK d/ ;szG d/ ;EkB s/ nuoK dk ;szG fby fdzd/ jB.

20H3 Ppde'P (Keywords)

• :[rws (Simultaneous) ^ Bkb^Bkb.

20H4 nfGnk; gqPB (Review Questions)

292 LOVELY PROFESSIONAL UNIVERSITY