Question

if a=2 b=-2 then find the value of a²+b²​

Answer 1

Answer:

$value \: \: \: of \: \: \: a = 2 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: b = - 2 \\ \\ therefore \: \: \: substituting \: \: \: \\ the \: \: \: values \: \: \: we \: \: \: get \\ \\ {a}^{2} + {b}^{2} \\ = ({2})^{2} + ({ - 2})^{2} \\ = \: 4 \: + \: 4 \\ = 8 \: \: \: \: \\ \\ \\ \\therefore \: \: \: value \: \: \: of \: \: \\ {a}^{2} + {b}^{2} = 8$

Answer 2

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