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Popular >

simplify (9x)^{-2}

Solution

simplify

(9 x)^{- 2}

Solution

\frac{1}{81 x ^{2}}

Solution steps

(9 x)^{- 2}

Apply exponent rule:

a^{- b} = \frac{1}{a ^{b}}

(9 x)^{- 2} = \frac{1}{( 9 x ) ^{2}}

= \frac{1}{( 9 x ) ^{2}}

Simplify

(9 x)^{2} : 81 x^{2}

= \frac{1}{81 x ^{2}}

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Frequently Asked Questions (FAQ)

What is (9x)^{-2} ?
The solution to (9x)^{-2} is 1/(81x^2)