Expand the following, using suitable identities. (xy + yz)^2 - Vidyadip

Question

Expand the following, using suitable identities.
$(xy + yz)^2$

✓

Answer

$ (x y+y z)^2 $
$ =(x y)^2+(y z)^2+2 \times x y \times y z $
$ =x^2 y^2+y^2 z^2+2 x y^2 z $

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