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Math Help - Integral of ln(x)?

  1. #1
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    Integral of ln(x)?

    What is the integral of ln(x) equal to?
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  2. #2
    MHF Contributor ebaines's Avatar
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    Re: Integral of ln(x)?

    You can derive this through integrating by parts, but the answer is  \int \ln (x)dx = x \ln (x) - x.
    Last edited by ebaines; July 12th 2012 at 09:25 AM.
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  3. #3
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    Re: Integral of ln(x)?

    Yes, look at it as \int 1\cdot \ln(x) dx and integrate by parts.
    Last edited by loui1410; July 12th 2012 at 10:53 AM.
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