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MathGroup Archive 2007

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Improper Integral & Mathematica

  • To: mathgroup at smc.vnet.net
  • Subject: [mg80577] Improper Integral & Mathematica
  • From: expizzaiolo at gmail.com
  • Date: Sun, 26 Aug 2007 03:11:33 -0400 (EDT)

Hi all !   :-)

how to solve:

Integrate[(e^x) / (1 + e^(2x)), {x, - Infinity, + Infinity }]

using Mathematica? I'm trying "e^x = t" but won't work...



TNX!



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