Re: Why doesn't this simplify further?

• To: mathgroup at smc.vnet.net
• Subject: [mg6004] Re: [mg5964] Why doesn't this simplify further?
• From: Allan Hayes <hay at haystack.demon.co.uk>
• Date: Sat, 8 Feb 1997 22:38:45 -0500
• Sender: owner-wri-mathgroup at wolfram.com

```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 eecs.umich.edu>
[mg5964] Why doesn't this simplify further?
writes

> 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.

Michael,

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

Allan Hayes
hay at haystack.demom.co.uk
http://hay at haystack.demom.co.uk

```

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