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MathGroup Archive 2005

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Re: simplifying rational expressions

  • To: mathgroup at smc.vnet.net
  • Subject: [mg61135] Re: simplifying rational expressions
  • From: mike_in_england2000 at yahoo.co.uk
  • Date: Tue, 11 Oct 2005 03:20:41 -0400 (EDT)
  • References: <did2q0$qde$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

FullSimplify[((t^4 - 1)(t^2 - 9)(t - 9)^2)/((t^4 - 81)(t^2 + 1)(t +
1)^2)]

gives

1 - 20/(1 + t) + 90/(9 + t^2)

Mike


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