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Calculating a simple integral

  • To: mathgroup at smc.vnet.net
  • Subject: [mg131074] Calculating a simple integral
  • From: dsmirnov90 at gmail.com
  • Date: Sun, 9 Jun 2013 04:32:09 -0400 (EDT)
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If there is a way to calculate with Mathematica the following integral:

in = -((-1 + Cos[kz])/(kz^2 (kr^2 + kz^2)^2 (kz^2 - 4 \[Pi]^2)^2))
Integrate[in, {kz, -Infinity, Infinity}, Assumptions -> kr > 0]

Another system calculates the same integral instantly. :)

Thanks for any suggestions.



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