Question

prove that (a+b)² = a²+b²+2ab ? ​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Given: (a+b)²

To prove: (a+b)²2 = a² + 2ab + b²

Proof:

(a+b)² = (a+b)(a+b)

(a+b)²=a(a+b)+b(a+b)

(a+b)² = a²+ab+ab+b²

(a+b)² = a²+2ab+b².

Hence, proved.

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