Question

formula of 2(x^2+y^2)​

Answer 1

Step-by-step explanation:

Given,

2(x^2 + y^2)

we know that

(x+y)^2 = x^2 + y^2 + 2xy

=) here, 2(x^2 + y^2)

= 2{(x+y)^2 -2xy}