Page 96 - DECO403_MATHEMATICS_FOR_ECONOMISTS_PUNJABI

VED1
E L-LOVELY-H math4-1 IInd 21-10-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12

noEPk;soh dk rfDs

B'N

iK

iK

iK

iK

∴ T[Zso

y
x-y
T[dkjoD 5H i/eo x = e , sK f;ZX eo' fe H
y
x-y
jZb L fdZsk j?, x = e , d'jK gZyK dk bx[rDe b?D s/
y log e x = (x – y) log e iK y log e x = x – y

iK y (1 + log x) = x iK

∴ H

Nk;e x sin x dk x d/ ;kg/y fBy/VB gsk eo'. T[Zso L [sin x (cos x log x + )]

gqPBktbh 4H3

gsk eo'^

90 LOVELY PROFESSIONAL UNIVERSITY