Question

(a+b)
$(a + b) {}^{2} =$
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Answer 1

hope it helps please mark as BRAINLINEST

Answer 2

$(a + b)(a + b) {}^{2} \\ = (a + b)(a { }^{2} + b {}^{2} + 2ab) \\ = { a}^{3} + {b}^{3} + 3 { a}^{2} b + 3ab {}^{2} \\ = { a}^{3} + {b}^{3} + 3ab(a + b)$

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