Question

the value of (x+y)² - (x-y)²​

Answer 1

Answer:

2x²+2y²

Step-by-step explanation:

(x+y)²+(x-y)²

x²+2xy+y² + x²-2xy+y²

so x²+x²+y²+y²

2x²+2y²

Answer 2

Answer:

The value is 4xy

Step-by-step explanation:

in this question we can suppose that (x+y)^2 is a^2

and (x-y)^2 is b ^2

and by using a^2- b^2 formula we can do .