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Math Help - integration

  1. #1
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    integration

     \int\frac{x}{(2x+1)^4} dx
    Last edited by Punch; August 21st 2010 at 07:18 AM.
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  2. #2
    Senior Member yeKciM's Avatar
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    Quote Originally Posted by Punch View Post
     \int\frac{x}{2x+1}^4 dx
    that power 4 is where ?
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  3. #3
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    edited.. sorry for that mistake
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  4. #4
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    Substitute u=2x+1 so that dx = \frac{du}{2}
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  5. #5
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    Let u=2x+1 and then \displaystyle x=\frac{u-1}{2}~\&~dx=\frac{du}{2}.
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