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Math Help - integrating

  1. #1
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    integrating

    integrate xe^(3lnx) dx
    i know the answer is x^5/5 + c but not sure how to get there
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  2. #2
    Math Engineering Student
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    That's because e^{3\ln x}=e^{\ln x^3}=x^3 whereat the integrand is x^4 and the conclusion follows.
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