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Math Help - integral

  1. #1
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    integral

    Hello

    just need som tips on how to integrate this x/(1-x^2)^1,5


    thanks
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  2. #2
    Eater of Worlds
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    \int\frac{x}{\sqrt{1-x^{2}}}dx

    Let u=1-x^{2},  \;\ du=-2xdx, \;\ \frac{-1}{2}du=xdx

    Then, you get:

    \frac{-1}{2}\int\frac{1}{\sqrt{u}}du

    Now, integrate and resub.
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  3. #3
    Moo
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    Hello,

    Hem...this is 1.5, right or not ?
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  4. #4
    Math Engineering Student
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    Quote Originally Posted by Moo View Post

    Hem...this is 1.5, right or not ?
    That doesn't matter, one can even compute a more general integral like \int {\frac{x}<br />
{{\left( {1 - x^2 } \right)^n }}\,dx}, and its result follows from galactus' procedure.
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