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MathGroup Archive 2001

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PowerExpand in mathematica

  • To: mathgroup at
  • Subject: [mg31843] PowerExpand in mathematica
  • From: ptrsn2001 at (Peter)
  • Date: Fri, 7 Dec 2001 05:56:12 -0500 (EST)
  • Sender: owner-wri-mathgroup at


Is this a known bug, feature? Or I am doing something wrong?
Mathematica 4.0 for Linux
Copyright 1988-1999 Wolfram Research, Inc.
 -- Motif graphics initialized -- 

In[1]:= PowerExpand[(-1/t)^(3/2) Sqrt[-t]]

Out[1]= -
The correct answer is -1/t, of course.


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