Question

1. ( a+ b ) ² = ?
2. a²- b² = ?​

Answer 1

Answer:

1 ) .

$a {}^{2} + 2ab + b {}^{2}$

2) .

$a { }^{2} - 2ab + b {}^{2}$

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Answer 2

Answer:

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Step-by-step explanation:

(a+b)^2=

${a}^{2} + 2ab + {b}^{2}$

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