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MathGroup Archive 2001

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Re: rewriting a fraction a/b==c/d + e/f

  • To: mathgroup at smc.vnet.net
  • Subject: [mg31015] Re: rewriting a fraction a/b==c/d + e/f
  • From: "Steve Luttrell" <luttrell at signal.qinetiq.com>
  • Date: Tue, 2 Oct 2001 01:20:51 -0400 (EDT)
  • Organization: Defence Evaluation & Research Agency
  • References: <9p93dn$oce$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

"Okke" <kroosu at tref.nl> wrote in message news:9p93dn$oce$1 at smc.vnet.net...
> 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 ?
>...

This does what you want:

Apart[1/((x - 1)(x^2 + x + 1)) ]

--
Steve Luttrell
QinetiQ, Malvern, U.K.




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