x+y whole square plus x-y whole square
Answers
Answered by
3
Step-by-step explanation:
(x+y)^2+(x-y) ^2
= x^2+y^2+2xy+x^2+y^2-2xy
= 2x^2+2y^2
= 2(x^2+y^2)
hope it helps ✌
Answered by
0
Answer
(x+y)²+(x-y)²
x²+2xy+y²+x²-2xy+y²
x²+x²+y²+y²
2(x²+y²)
Step-by-step explanation:
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