Question

$(a + b) ^{2} = {a}^{2} + 2ab + {b }^{2}$


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Answer 1

What are you asking please complete your question

Answer 2

Answer:

(a+b)²=a²+2ab+b²

(a-b)²=a²-2ab+b²

a²-b²=(a+b) (a-b)

a²+b²=(a+b)²-2ab

=(a-b)²+2ab

Step-by-step explanation:

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