Question

resolva as seguintes quadrados da soma de dois termos
$2ab + b) {}^{2}$
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Answer 1

$\LARGE{}(2ab + b)^{2} \\ \LARGE{}(2ab)^{2} + 2 \times 2ab \times b + {b}^{2} \\ \\ \LARGE\boxed{4 {a}^{2} {b}^{2} + 4 {ab}^{2} + {b}^{2} }$

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