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What is the integral of e^-(x/2) * sin(a*x) dx?

  1. Apr 17, 2015 #1
    what is the integral of e^-(x/2) * sin(a*x) dx??
     
  2. jcsd
  3. Apr 17, 2015 #2

    berkeman

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    Staff: Mentor

    This looks enough like a schoolwork question that it needs to be re-posted in the Homework Help, Calculus & Beyond forum, and you need to show your efforts at working toward a solution.
     
  4. Apr 17, 2015 #3

    HallsofIvy

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    Do an "integration by parts" twice. Start by letting [itex]u= e^{-x/2}[/itex] and [itex]dv= sin(ax)dx[/itex]
     
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