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MathGroup Archive 2002

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RE: FullSimplify doesn't simplify

  • To: mathgroup at smc.vnet.net
  • Subject: [mg32774] RE: [mg32762] FullSimplify doesn't simplify
  • From: "David Park" <djmp at earthlink.net>
  • Date: Sat, 9 Feb 2002 05:11:47 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Ken,

It's not always true. But...

Simplify[(x y)^n == (x^n)(y^n), x > 0 && y > 0]
True

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/ 

> From: Ken Morgan [mailto:kmorga51 at calvin.edu]
To: mathgroup at smc.vnet.net
> 
> Does anyone know why Mathematica doesn't simplify the following to True?
> 
> 
> In[1] := FullSimplify[(x y)^n == (x^n)(y^n)]
> 
> Out[1] := (x y)^n == (x^n)(y^n)
> 
> Are there cases where this is not true?
> 
> 
> Thanks,
> Ken Morgan
> kmorga51 at calvin.edu
>  


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