Page 140 - DECO403_MATHEMATICS_FOR_ECONOMISTS_PUNJABI

VED1
E L-LOVELY-H math8-1 IInd 6-8-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12

noEPk;soh dk rfDs

B'N q dk wkB ;wheoD (i) ftZu oZyD s/
w[Zb = p = 50 – (6 × 3) = 50 – 18 = 32

;wheoD (iv) ftZu q dk wkB oZyD s/
bkG = π = 36 × 3 – 6 × 3 × 3 – 60
= 108 – 54 – 60 = 108 – 114 = –6

bkG tZX s'A tZX dh d{ih Pos
d π
2
< 0
dq 2
d π
2
fJZE/, =− 12 < 0.
dq 2
T[dkjoD 10H fe;h J/ekfXekoh cow dk o/yh cbB
p = 15 – 0.5q
ns/ e[ZbQ bkrs cbB
2
C = 0.5q + 5q + 10
j't/ sK fBors (q), w[Zb (p), ;wZro bkG (π) ns/ e[ZbQ nkrw d/ nB[e{b wkB gsk eo'.
(T) bkG tZX s'A tZX d/ nzsors.
(n) fpeoh iK nkrw tZX s'A tZX.
jZb L (T) ;kB{z gsk j?^
HHHH(i)
HHHH(ii)
∴ e[ZbQ nkrw
HHHH(iii)
e[ZbQ bkG

HHHH(iv)

bkG tZX s'A tZX ;zpzXh,

iK

iK

q dk wkB (i), (iii) ns/ (iv) ftZu oZyD s/

134 LOVELY PROFESSIONAL UNIVERSITY