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Why is it that this integral equals zero as the limits go to infinity?

  1. Nov 16, 2009 #1
    x^s/s integrated on the semicircular contour with radius R and center c>0, where x>1, s is the complex variable, and R is meant to go to infinity. please help.
     
  2. jcsd
  3. Nov 16, 2009 #2
    do you mean Im(c)>0 ? usually this example is supposed to illustrate the need to indent the contour to get around singularities on the real axis
     
    Last edited: Nov 16, 2009
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