verify the following: (a+b)2 =a2+b2+2ab
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Step-by-step explanation:
(a+b)×(a+b)=a (a+b)+b(a+b)
=a×a+a×b+b×a+b×b
=a^2+ab+ba+b^2
=a^2+2ab+b^2
(a+b)^2 = a^2 + 2ab +b^2.
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