Question

solve that (a+b)²- (a-b)²=4ab​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

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

a^2+b^2+2ab-a^2-b2+2ab

4ab

LHS= RHS

Step-by-step explanation:

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