Question

the value of (a + b)2+(a-b)2​

Answer 1

Answer:

$2a^2 +2b^2$

Step-by-step explanation:

$(a+b)^2 + (a-b)^2 = a^2 + b^2 +2ab + a^2+ b^2 -2ab\\= 2a^2 +2b^2$

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