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Another integral

  1. Sep 27, 2011 #1
    Find the integral of


    No useful substitutions I can find, integration by parts gets chaotic.
  2. jcsd
  3. Sep 27, 2011 #2


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    Write it as x(x2)sin(x2) and begin with substitution u = x2.
  4. Sep 27, 2011 #3
    Got the answer. Thank you.

    I wish I were able to recognize these things more quickly.
  5. Sep 27, 2011 #4


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    Practice, practice, practice ...
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