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Where are these functions analytic?

  1. Jan 22, 2009 #1
    Greetings all, I have 2 functions:

    [tex]\frac{1}{Rez} + \frac{1}{Imz}(z^{2}- \overline{z}^{2})[/tex]


    [tex]\frac{1}{Rez} + \frac{1}{i Imz}(z^{2}- \overline{z}^{2})[/tex]

    I have to find where they are analytic, how do I start this?
    Last edited: Jan 22, 2009
  2. jcsd
  3. Jan 23, 2009 #2


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    Homework Helper
    Gold Member

    A good place to start is to look up the definition of analytic :smile:

    You may also want to look up "Cauchy-Riemann equations". They provide a simple test for the analyticity of a function.
    Last edited: Jan 23, 2009
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