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Math Help - Integration problem

  1. #1
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    Integration problem

    hi...i am stucked at integrate this term:

    <br />
\int{\int{x^py^q\sqrt{x^2+y^2}\:dx}\:dy}<br />

    wher p and q are constant.


    anybody can help me on this? Thanks
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  2. #2
    MHF Contributor Bruno J.'s Avatar
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    Have you tried in polar coordinates? it becomes

    \int \int r^{p+q+2}\cos^p\theta \sin^q\theta \ dr\ d\theta

    (I haven't tried, but it looks a bit easier. Just suggesting.)
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  3. #3
    Math Engineering Student
    Krizalid's Avatar
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    no bounds, this makes no sense by not having them.
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  4. #4
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    sorry..forgot to put the boundary. the boundaries for x and y is -1 to 1.
    thanks
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