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Line Integrals

  1. Apr 29, 2013 #1
    1. The problem statement, all variables and given/known data
    Integrate some area C of (xe^y)ds where C is the arc of the curve x=e^y


    2. Relevant equations
    What is the indeffinite integral and why is it that? Answer is (1/3)e^3y + C


    3. The attempt at a solution

    Integral of (xe^y)((e^y)^2 + 1)^(1/2)

    = Integral of (e^2y)(e^2y + 1)

    = (e^3y)/3 + (e^2y)/2 + C
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Apr 29, 2013 #2

    LCKurtz

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    What happened to the 1/2 exponent?
     
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