Question

Let
et x = V4-V7 and y = 4+ V7, then value of
or( y + xy + xy?j? + (x+ype
+ (x2y + xy2)2 + (x + y)2 is
​

Answer 1

Step-by-step explanation:

x3−x2y−xy2+y3

⇒  x2(x−y)−y2(x−y)

⇒  (x−y)(x2−y2)

⇒  (x−y)(x+y)(x−y)

⇒  (x−y)2(x+y)