If 2x^2 + y^2 = 2xy, then (x + y)^2 = Select:	A) x^2	B) 3x^2+2y^2	C) 4xy	D) 2y^2	E) – y^2
(x+y)^2 = x^2 + y^2 + 2xy = x^2 + y^2+ 2x^2+y^2 = 3x^2+2y^2   Correct option : 3x^2+2y^2
<result>B</result>
If 2x^2 + y^2 = 2xy, then (x + y)^2 =