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MathGroup Archive 2000

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RE: Rookie question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg23669] RE: [mg23658] Rookie question
  • From: "Krautschik, Chris G" <krautschikc at intel.co.jp>
  • Date: Mon, 29 May 2000 12:23:59 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Jose,

Works for me. The result Mathematica generated is

Pi/( 3*sqrt(3) ).

I am using Mathematica 4.0 for Windows. I am wondering if you perhaps used
some special formating (formatting palette) that recast the integrand into a
different form that cannot be solved  analytically. Also, you can try
NIntegrate[1/(2(1-x^2)^(1/2)+(1-x^2)),{x,0,1}] since  you are evaluating
your integral between two numerical limits.

Chris

-----Original Message-----
From: jml at accessinter.net [mailto:jml at accessinter.net]
To: mathgroup at smc.vnet.net
Subject: [mg23669] [mg23658] Rookie question


Hi,

Sorry for my ignorance, but I have Mathematica for just 3 days, and I have
a trouble, I try to calculate the following expression:
Integrate[1/(2(1-x^2)^(1/2)+(1-x^2)),{x,0,1}], but Mathematica dont give me
an answer, the program return the original input, do u have any ideas. Thx
in advance.Regards

Jose M Lasso

PS:Sorry for my english






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