Re: help: rewriting a fraction a/b==c/d + e/f
- To: mathgroup at smc.vnet.net
- Subject: [mg31006] Re: help: rewriting a fraction a/b==c/d + e/f
- From: Mark Westwood <mark at galeawestwood.freeserve.co.uk>
- Date: Tue, 2 Oct 2001 01:20:42 -0400 (EDT)
- References: <9p93dn$oce$1@smc.vnet.net>
- Sender: owner-wri-mathgroup at wolfram.com
Okke
Try Apart[1/((x-1)(x^2+x+1))]
Regards
Mark Westwood
Pilot Solutions Ltd
Okke wrote:
> hello,
> i'm trying the mathematica demo by doing some basic mathematics.
> now i'm stuck at rewritting a fraction.
> could somebody please help me by telling me how to rewrite:
>
> 1/((x-1)(x^2+x+1)) to A/(x-1) + (Bx+C)/(x^2+x+1)
> or do i have to do that manualy?
> and can mathematica find the values for A, B and C ?
> Solve[eqn1==eq2,{A}] doesnt solve the problem, and subsituting
> x with 1 doesnt either.
>
> tia,