Question

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

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

Thnx✌️♥️~