Re: a simplification problem
- To: mathgroup at smc.vnet.net
- Subject: [mg55263] Re: [mg55172] a simplification problem
- From: yehuda ben-shimol <bsyehuda at gmail.com>
- Date: Thu, 17 Mar 2005 03:31:32 -0500 (EST)
- References: <200503161035.FAA23728@smc.vnet.net>
- Reply-to: yehuda ben-shimol <bsyehuda at gmail.com>
- Sender: owner-wri-mathgroup at wolfram.com
If you look carefully
x==(-1)^(1/3)
then
Solve[x^3==-1,x] gives the following results
{{x -> -1}, {x -> (-1)^(1/3)}, {x -> -(-1)^(2/3)}}
So x=(-1) is not the only solution.
yehuda
On Wed, 16 Mar 2005 05:35:49 -0500 (EST), Hui Fang <fangh73 at xmu.edu.cn> wrote:
> Dear All,
>
> My questions is simple:
> How do I simplify (-1)^(1/3) to -1?
>
> Thanks!
>
>
- References:
- a simplification problem
- From: Hui Fang <fangh73@xmu.edu.cn>
- a simplification problem