Question

Evaluate each of the following using appropriate identites: (xy+2z)²​

Answer 1

Answer:

By using the identity..:- (a+b)^2

(xy+2z)^2

= (xy)^2 +2*xy*2z + (2z)^2

=> x^2 y^2 +4xyz + 4z^2. ( answer)

Hope it helps