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MathGroup Archive 2006

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Newbie Question: How to simplify expression

  • To: mathgroup at smc.vnet.net
  • Subject: [mg66834] Newbie Question: How to simplify expression
  • From: "duli" <dulipishi at gmail.com>
  • Date: Thu, 1 Jun 2006 06:54:26 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Hello:

If I have an expression of the form
(-1)^(2 x y + z) + (-1)^x
where x,y, z are integers,
I want Mathematica to  simplify this to
(-1)^z + (-1)^x

How do I do this ? 

Thanks!
Duli


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