Question

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

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Answer 1

Answer:

${a}^{2} + {b}^{2} \\ a = 2 \: and \: b = - 2 \\ {2}^{2} + ({ - 2})^{2} \\ 4 + 4 \\ \sf\green{\boxed{8}}$

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Answer 2

Answer:

8

Step-by-step explanation:

$a {}^{2} + b {}^{2} \\ \\ a = 2 \: and \: b = - 2 \\ \\ \\ 2 {}^{2} + ( - 2) {}^{2} \\ \\ 4 + 4 = 8$

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