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Line integral

  1. Apr 30, 2009 #1
    1. The problem statement, all variables and given/known data

    http://img245.imageshack.us/img245/7355/lineintegral.th.jpg [Broken]

    2. Relevant equations



    3. The attempt at a solution

    My attempt is first to apply green's theorem and then I got [tex]3(x^2+y^2)[/tex], which is
    [tex]3(r^2)[/tex]. And then I integrate:

    [tex]3 \int_0^{\pi/4} \int_0^3 r^2 r dr d\theta [/tex]

    is this correct?
     
    Last edited by a moderator: May 4, 2017
  2. jcsd
  3. Apr 30, 2009 #2

    benorin

    User Avatar
    Homework Helper

    Yes, that is correct.
     
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