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MathGroup Archive 2004

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Re: infinite sum problem

  • To: mathgroup at smc.vnet.net
  • Subject: [mg53074] Re: infinite sum problem
  • From: marc <m9085.NOSPAM at yahoo.com>
  • Date: Wed, 22 Dec 2004 04:53:19 -0500 (EST)
  • References: <cq3op6$hqm$1@smc.vnet.net>
  • Sender: owner-wri-mathgroup at wolfram.com

Bill Rowe wrote:

> What version are you using? I get
> 
> $Version
> "5.0 for Mac OS X (June 10, 2003)"
> 
> Sum[(-1)^k*x^(2*k), {k, 0, Infinity}]
> Infinity
> Sum::"div":"Sum does not converge.

$Version
5.0 for Linux (November 18, 2003)

Sum[(-1)^k*x^(2*k),{k,0,Infinity}]
\!\(1\/\(1 + x\^2\)\)


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