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Addition of Algebraic Expressions

If a=-2,b=3...

Question

If $a = - 2, b = 3$ , evaluate the $a b^{2}$

-18

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-27

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None of these

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Solution

The correct option is A -18
Given, the values of
$a = - 2 a n d b = 3$

put the values of $a$ and $b$ in $a b^{2}$
So, $(- 2) (- 3)^{2}$
= $(- 2) (9)$
= $- 18$

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Similar questions

\frac{a b}{2 (b - a)}

\frac{a b}{b - a}

\frac{3 a b}{2 (b - a)}

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a = 3

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a = 3, b = - 3

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