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Math Help - More integration!!!

  1. #1
    Junior Member
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    Oct 2009
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    40

    More integration!!!

    I need help in this two!

    1. \int ln\sqrt. x/x   dx




    2.  \int ln (x-3)/(x-4)
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  2. #2
    Math Engineering Student
    Krizalid's Avatar
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    Santiago, Chile
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    1) \ln\sqrt x=\frac12\ln x and put t=\ln x.

    2) Integrate by parts.
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