For any two non-zero rational nmbers a,(a^3)^ -2 is equal to: - Vidyadip

MCQ

For any two non$-$zero rational nmbers $a,(\text{a}^3)^{-2}$ is equal to:

A
$\text{a}^9$
✓
$\text{a}^{-6}$
C
$\text{a}^{-9}$
D
$\text{a}^1$

✓

Answer

Correct option: B.

$\text{a}^{-6}$

$(\text{a})^{-2}=\text{a}^3\times(-2)$
$=\text{a}^{-6}$

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