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Laws of Exponents for Real Numbers

If a=1, b...

Question

If $a = 1$ , $b = - 1$ and $c = 0$ , find the value of expression $a^{2} + b^{2} + c^{2}$

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Solution

$a^{2} + b^{2} + c^{2}$
$= 1^{2} + (- 1)^{2} + 0^{2}$
$= 1 + 1 + 0$
$= 2$

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