Question

expand the following using identities:- (xy+yz)^2​

Answer 1

Identity: (a+b)^2=a^2+b^2+2ab



(xy+yz)^2=(xy)2+(yz)^2+2(xy)(yz)

(xy+yz)^2=x^2y^2+y^2z^2+2xy^2z

(xy+yz)^2=y^2(x^2+y^2xz)



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