Question

find 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

Step-by-step explanation:

Answer 2

please refer to the attachment .. hope it helps you