If x^2 – 2y^2 = 2xy, then (x + y)^2 =
Choose one.
A) x^2	B) 2x^2-y^2	C) 4xy	D) 2y^2	E) – y^2
(x+y)^2 = x^2 + y^2 + 2xy = x^2 + y^2+ x^2-2y^2 = 2x^2-y^2   Correct option : 2x^2-y^2
<result>B</result>
If x^2 – 2y^2 = 2xy, then (x + y)^2 =