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Popular >

expand (1+9x^2)^{-1}

Solution

expand

(1 + 9 x^{2})^{- 1}

Solution

\frac{1}{9 x ^{2} + 1}

Solution steps

(1 + 9 x^{2})^{- 1}

Apply exponent rule:

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

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

Remove parentheses:

(a) = a

= \frac{1}{1 + 9 x ^{2}}

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Frequently Asked Questions (FAQ)

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