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Re: Real and Imaginary Parts of complex functions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg129941] Re: Real and Imaginary Parts of complex functions
  • From: Daniel <dosadchy at its.jnj.com>
  • Date: Wed, 27 Feb 2013 03:06:58 -0500 (EST)
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  • Delivered-to: l-mathgroup@wolfram.com
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Use ComplexExpand

In[]:= ComplexExpand[Re[x + y I]]
Out[]= x

In[]:= ComplexExpand[Re[1/(x + y I)]]
Out[]= x/(x^2 + y^2)



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