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Thread: how to integrate this...

  1. December 4th 2008, 01:00 PM #1
    tennis14321
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    how to integrate this...

    Please help
    1/sqrt(a-x^2)
    is it sin^-1(x/sqrt(a)) ?
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  2. December 4th 2008, 01:01 PM #2
    Mathstud28
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    Quote Originally Posted by tennis14321 View Post
    Please help
    1/sqrt(a-x^2)
    is it sin^-1(x/sqrt(a)) ?
    So close! Just remember that \frac{1}{\sqrt{a}} out front.
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  3. December 4th 2008, 01:12 PM #3
    tennis14321
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    Thank you,
    I didn't get the same result as the book for the problem at the end.
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« Integrate Sqrt[x^2-a]? | Calculus Work Integration Problems »

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