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An easy integration,thanks.

  1. Apr 25, 2010 #1
    how to integrate x/(x^2+4)?
  2. jcsd
  3. Apr 25, 2010 #2
    Do you know what "u-substitution" in integration is?

    u = blabla
    du = d(blabla)dx
    dx = du/(d(blabla)
  4. Apr 25, 2010 #3
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