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Math Help - Convergence and divergence

  1. #1
    Junior Member
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    Jun 2009
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    Exclamation Convergence and divergence

    Hello. This a hard exercise.
    I really need your help.

    Revise the convergence or divergence of the following integral:

     <br />
I = \int_0^\infty x^k \frac{x+senx}{x-senx}dx<br />

    According to the values of k \in{\mathbb{R}}

    Thanks
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  2. #2
    Junior Member
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    Help please
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  3. #3
    Member
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    Nov 2009
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    Do you know how to properly evaluate an improper integral?
    That is what you have right there.
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