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Thread: Evaluate the integration by using integration by parts

  1. February 16th 2009, 06:47 PM #1
    yang03265
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    Evaluate the integration by using integration by parts


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  2. February 17th 2009, 06:55 AM #2
    red_dog
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    \int\ln^3xdx=\int x'\ln^3xdx=x\ln^3x-\int x\cdot 3\ln^2x\cdot\frac{1}{x}dx=x\ln^3x-3\int\ln^2xdx

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