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Integration under Mathematica 5.0

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  • Subject: [mg57417] Integration under Mathematica 5.0
  • From: José Carlos Santos <jcsantos at>
  • Date: Fri, 27 May 2005 04:56:56 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

Hi all,

At another newsgroup, someone has transcribed this Mathematica


Out[1]=5.0 for Microsoft Windows (November 18, 2003)


Out[2]=(1/3)*(4 - Sqrt[2])

This makes no sense, because the integral does depend upon the parameter
_a_ (just ask Mathematica to plot the graph). I do not have access to
Mathematica 5.0, but under the version 4.0 I do not get that answer;
what I get is the same integral written in a slightly different form.

Can someone reproduce that behaviour? And, if it is possible to
reproduce it, can someone *explain* it?

BTW, the value (1/3)*(4 - Sqrt[2]) is the value of the integral when
a = 0.

Best regards,

Jose Carlos Santos

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