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MathGroup Archive 1999

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Re: simple Simplify[] question

  • To: mathgroup at
  • Subject: [mg19780] Re: simple Simplify[] question
  • From: Ulf Saalmann <us at>
  • Date: Fri, 17 Sep 1999 01:36:38 -0400
  • Organization: Stockholms Universitet
  • References: <7rnkqn$>
  • Sender: owner-wri-mathgroup at

Ulf Saalmann wrote:
>  Hello,
>  why gives Mathematica
>                                      2 3/2
>       Simplify[(a^2)^(3/2)]        (a )
>  and not
>                                       3
>                                     a
>  and how to convince Mathematica to do it?

Yes, the second result is correct only for positive a.
But, how to tell it Mathematica (Version 3.0)?
And how to tell Mathematica that a variable is real?

          Ulf  (us at

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