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Re: Simplify


Hi,

for real variables 

PowerExpand[(a^b)^(1/b)]

will do that for you. But in general you have to
take care of the branch cuts in the complex plane.


a^b^(1/b) is a^(b^(1/b)) and will never simplifyed
to a

Regards
  Jens

Matthias.Bode at oppenheim.de wrote:
> 
> Dear Colleagues,
> 
> why should I not expect MATHEMATICA to (Full)Simplify
> 
> (a^b)^(1/b) or a^b^(1/b) to a?
> 
> Best regards,
> 
> Matthias Bode
> Sal. Oppenheim jr. & Cie. KGaA
> Koenigsberger Strasse 29
> D-60487 Frankfurt am Main
> GERMANY
> Tel.: +49(0)69 71 34 53 80
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> Fax: +49(0)69 71 34 95 380
> E-mail: matthias.bode at oppenheim.de
> Internet: http://www.oppenheim.de


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