Question

expanded form of i) (a+b)^2
ii) (a-b)^2
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Answer 1

Answer:

Expanding a Square

i) (a + b)^2 = (a + b)(a + b) = a^2 + 2ab + b^2

ii) 2(a − b)^2 = (a − b)(a − b) = a^2 − 2ab + b^2

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