try partial fraction expansion, partfrac.
wang yin wrote:
> Thank you all! :)
> One more simple question:
>
> How can I do something like the "apart" operation in Mathematica?
>
> (C1) a/c+b/d;
>
> b a
> (D1) - + -
> d C
> (C2) rat(%);
>
> a d + b C
> (D2)/R/ ---------
> C d
>
> Now given the form like [D2], how can I get something like D1?
>
> I'm not good at Mathematics but I'm drawing a lot of people in my unversity to MAXIMA. Formerly they don't even know this wonderful tool. They use Mathematica a lot.
>
> They'll ask me a lot of questions like "How to do ... like that in Mathematica in MAXIMA?" I sometimes don't know. So I post the questions here. I wish you could help.
>
> Thanks.
>