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Interesting branch point problem

  1. Mar 14, 2009 #1
    i need help finding the limits above and below the branch cut segment of sqrt(z^2-1) for -1<x<1 I always get total phase above is pi/2 and total phase below is 3pi/2 but this is wrong

    please help
  2. jcsd
  3. Mar 15, 2009 #2
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