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Math Help - how to integrate this...

  1. #1
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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. #2
    MHF Contributor Mathstud28's Avatar
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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. #3
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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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