(a+b) 2 =a 2 +b 2 +2ab SRyxI – A`TvIN ivSw – gixq hrdIp kor ssss AYm.AYs gyt, AimRqsr

loVINdI sm`grI rMgdwr kwgz dI SIt kYNcI jumYtrI bwks PYvIkol Qrmokol dI SIt

iek sPYd kwgz dI SIt lE

ies au`qy ie`k vrg iK`co

ies vrg nUM k`t lE

ies vrg nMU do vrgW qy do AwieqW iv`c vMf lE

mMn lE iek vrg dI Bujw a hY

A

Awieq dI lMbweI b qy cOVweI a mMn lE

B A A

mMn lE dUjy vrg dI Bujw b hY

B A B B A

ies qrW dUjy Awieq dI lMbweI b qy cOVweI a ho jwvygI

B A B B A A B

B A B B A A B A A² AB B² AB

kYNcI nwl k`t lE

Bujw a vwly vrg dy mwp dw rMgIn kwgz k`t lE

a Bujw vwly vrg dy mwp dy k`ty hoey rMgIn kwgz nMU icpkw dE