Page 122 - DECO403_MATHEMATICS_FOR_ECONOMISTS_HINDI

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E\L-LOVELY-H\math7-1 IInd 6-8-11 IIIrd 24-1-12 IVth 21-4-12 Vth 20-8-12 VIth 10-9-12

vFkZ'kkfL=k;ksa dk xf.kr

uksV 7-1 le:i iQyu % ifjHkk"kk !

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vFkZ'kkL=k eas vf/drj iz;ksx gksus okys ,d fo'ks"k izdkj osQ iQyu dks le:i iQyu dgrs gSaA

mnkgj.kkFkZ]

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;fn →
→ mijksDr iQyu esa j[krs gSa tgk¡ /ukRed fLFkjkad gSA

rks]
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;fn iQyu
( * gS rks

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rks
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le:i iQyu dk vU; mnkgj.k]

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iQyu dks fuEu izdkj fy[k ldrs gSaµ

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uksV~l mijksDr iQyu
dksfV dk le:i iQyu gSA vFkZ'kkL=k esa vf/drj 'kwU; dksfV osQ

iQyu dk iz;ksx fd;k tkrk gSA
x y
mnkgj.k 1%

( +
z z
tx ty x y

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( + = + (

(
tz tz z z
x 2 y 2 z 2
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tx t y tz

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mnkgj.k 3% ;fn ek=kk] dher rFkk vk; gS rks ekax iQyu fuEu gSa
y

( tgk¡ fLFkjkad gSA
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