thank you!
On Jan 9, 7:27 pm, "William Stein" <wst...@gmail.com> wrote:
> On Fri, Jan 9, 2009 at 3:49 AM, Sand Wraith <omegat...@gmail.com> wrote:
>
> > Hi!
>
> > Is it possible to get order of root of equation? For example equation:
>
> > f(x)=(x+1)^2
> > and it's solution "solve(f,x)" will be "[x == -1]", but this is not
> > perfect clear, because x==-1 have second order. This equation actually
> > must have two same roots: [x == -1,x == -1].
>
> Use the roots command:
>
> sage: f = (x + 1)^2
> sage: f.roots()
> [(-1, 2)]
>
> The 2 is the multiplicity.
>
> William
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