(a+b) ^2
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(a+b)*(a+b)
a^2+ab+ba+b^2
a^2+2ab+b^2
Answered by
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Answer:
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Step-by-step explanation:
(a+b)^2
(a+b)(a+b)
multiplying
a^2+ab+ab+b^2
a^2+2ab+b^2
a^2+b^2+2ab
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