Question

4. Simplify the following:
(1) (a+b)² + (a - b)2​

Answer 1

Answer:

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Answer 2

Step-by-step explanation:

square of a+ square of b+ 2ab+ (a-b)(a+b)

square of a+ square of b+2ab + square of a+ ab-ab- square of b

(ab and ab will be cancelled and square of b also be cancelled)

2(a2+b2) ans

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