Page 135 - DECO403_MATHEMATICS_FOR_ECONOMISTS_PUNJABI

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

fJekJh^8 L fBy/VB dk noEPk;so ftZu T[g:'r

T[dkjoD 4H ieo wzr cbB p = 20 – 5q j? ns/ n";s bkrs cbB Ac = q j? sK J/ekfXeko B'N
dk ;wsktkd w[Zb ns/ tZX s'A tZX bkG dZ;'.
jZb L (i) fdZsk j'fJnk wzr cbB p = 20 – 5q
ns/ AC = q

e[ZbQ nkrw = p × q
2
= (20 – 5q)q = 20q – 5q
q d/ ;kg/y fBy/VB eoB s/

2
e[ZbQ bkrs (C) = AC× q = q × q = q
q d/ ;kg/y fBy/VB eoB s/

;wsktkd nt;Ek ftZu,

iK

iK
(ii) e[ZbQ bkG

tZX s'A tZX bkG d/ bJh

fJ; soQK

iK

iK

fJ; soQK T[Zs/ J/ekfXekoh bkG tZX s'A tZX j't/rk.

B'N; ns/ ftZu ;zpzX ;Ekfgs eo'.

2
T[dkjoD 5H wzr cbB Q = 23 – 4p + p fdZsh j'Jh j? fi; ftZu P ns/ Q eqw nB[;ko t;s{
dh ehws ns/ wksok jB. wzr dh b'u eh j't/rh id'A t;s{ dh ehws (i) 8 o[gJ/ ns/ (ii) 5
o[gJ/ j?.

LOVELY PROFESSIONAL UNIVERSITY 129