Question

(a + b)2 = a2 + b2 + 2ab is an example of a _________. *



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Answer 1

Answer:

The answer is (a−b)²+2ab. So now the question arises how comes this equivalency?

We all know that (a−b)²=a²+b²−2ab

So by adding 2ab on both sides, we get (a−b)²+2ab=a²+b²

Similarly, we may even deduce that a²+b²=(a+b)²−2ab .

Explanation:

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