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MathGroup Archive 1997

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Re: Why doesn't this simplify further?

  • To: mathgroup at
  • Subject: [mg6004] Re: [mg5964] Why doesn't this simplify further?
  • From: Allan Hayes <hay at>
  • Date: Sat, 8 Feb 1997 22:38:45 -0500
  • Sender: owner-wri-mathgroup at

Further to my note sent earlier today (copied below asterisks).
It's even simpler than I thought in V3.0:

In[1]:= (1/4)^n 2^(2 n)

Out[1]= 1

Michael Hucka <hucka at>
[mg5964] Why doesn't this simplify further?

> I encountered the following in mma 2.2:
> In[14]:= PowerExpand[ (1/4)^n 2^(2 n)]
>           1 n  2 n
> Out[14]= (-)  2
>           4
> .....
> I don't understand why PowerExpand doesn't simplify this further.


In Version 3.0,
	Expand[ (1/4)^n 2^(2 n)]
	and P[(1/4)^n 2^(2 n)] for P like PowerExpand, Simplify,
	all give 1.

Allan Hayes
hay at
http://hay at

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