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Integration by Substitution

  1. Nov 16, 2011 #1
    Hi, I'm new to integration and I'm trying to figure out where I went wrong on this question. I'm close to the answer, but I can't tell where I've gone wrong? Can anyone help?

    Thanks.

    1. The problem statement, all variables and given/known data

    Q. Evaluate the following:

    3. The attempt at a solution

    Please see attachment.
     

    Attached Files:

  2. jcsd
  3. Nov 16, 2011 #2

    Mark44

    Staff: Mentor

    It might be easier to focus on the indefinite integral, and use your substitution to get an antiderivative. After that, undo your substitution. Then, evaluate your antiderivative at the two limits of integration.
     
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