Question

Identities for a square +b square

Answer 1

➡️a²+b²= (a+b)²-2ab

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Answer 2

$\bf{\red{\mathcal{BONJOUR\: FRIEND}}}$❣
$\underline{HERE\: IS\:THE\: ANSWER}$✌
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$<b>$
${a}^{2} + {b}^{2}$
$= ( {a + b})^{2} - 2ab$
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