Proof of (a+b)² formula in Algebraic Method.
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We have, (a+b)^2 = (a + b)(a + b)
=a(a+b) + b(a+b)= a^2 + ab + ab+ b^2
= a^2 + 2ab + b^2
This is required algebraic formula
=a(a+b) + b(a+b)= a^2 + ab + ab+ b^2
= a^2 + 2ab + b^2
This is required algebraic formula
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