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Math Help - Integration Problem

  1. #1
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    Integration Problem

    Could someone help me with this integral?

    <br />
\int\,x\sqrt{1+x}\,dx<br />
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  2. #2
    Math Engineering Student
    Krizalid's Avatar
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    According to the change of variables defined by u=x+1, the integral becomes to

    \int x\sqrt{x+1}\,dx=\int(u-1)\sqrt u\,du

    Now you can take it from there.
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  3. #3
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    Ah, okay. Thanks for helping.
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  4. #4
    Math Engineering Student
    Krizalid's Avatar
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    You're welcome.

    --

    Here on MHF we all have the predisposition to help, and when you post a question, it is answered quickly.

    Cheers,
    K.
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