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Math Help - A Problem With an integration???

  1. #1
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    A Problem With an integration???

    i am having a problem with the following integration.

    ∫( x^2 + 20)/(xsinx + 5cosx)^2 dx

    plz guide me through..
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  2. #2
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    It's a VERY complicated Integral !!
    I would use the substitution method.

    The reason why I said it's complicated is because I know what the final answer is....
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  3. #3
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    Quote Originally Posted by subho123 View Post
    i am having a problem with the following integration.

    ∫( x^2 + 20)/(xsinx + 5cosx)^2 dx

    plz guide me through..
    Where has this integral come from? Is it meant to be a definite integral?
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