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Re: Simplifying algebraic expressions

• To: mathgroup at smc.vnet.net
• Subject: [mg66862] Re: Simplifying algebraic expressions
• From: "Jens-Peer Kuska" <kuska at informatik.uni-leipzig.de>
• Date: Fri, 2 Jun 2006 04:08:19 -0400 (EDT)
• Organization: Uni Leipzig
• References: <e5mhis$kg3$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

Hi,

(-1)^(2 x + 3 y) /. a_^(n_Integer*b_ + 
m_Integer*c_) :> (a^n)^b*(a^m)^c

Regards
  Jens

"Amitabha Roy" <aroy at cs.bc.edu> schrieb im 
Newsbeitrag news:e5mhis$kg3$1 at smc.vnet.net...
| Hello:
|
| I would like Mathematica to be able to take an 
expression, say,
|
| (-1)^{2 x  + 3 y} and be able to simplify to 
(-1)^y.
|
| Is there a way one can do this ?
|
| Thanks
|