The value of $a b c (a^{2} + b^{2})$ for $a = 1$ , $b = 1$ and $c = 2$ is:

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Solution

The correct option is B
4

$a b c (a^{2} + b^{2})$

= $1 \times 1 \times 2 (1^{2} + 1^{2})$

= $2 (2)$

= $4$

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