Question

simplify
(a+b)^2+(a-b)^2​

Answer 1

Answer:

2a^2+2b^2

Step-by-step explanation:

(a+b)^2=a^2+2(a)(b)+b^2

(a-b)^2=a^2-2(a)(b)+b^2

Now,

(a+b)^2+(a-b)^2=a^2+2(a)(b)+b^2+a^2-2(a)(b)+b^2

=2a^2+2b^2 is you answer.

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