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MathGroup Archive 1994

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Negative Area

  • To: mathgroup at
  • Subject: [mg213] Negative Area
  • From: "Roger M. Jones" <rmj at LLEWELYN.SLAC.Stanford.EDU>
  • Date: Mon, 21 Nov 1994 10:55:24 -0800

Dear Users,

On integrating a +ve function (A>B) I obtain a -ve 

function.  Would you consider this to be a bug?

Integrate[1/(A+B Cos[x])^2,{x,0,2 Pi}]/.{A->2,B->1}
  -4 Pi
3 Sqrt[3]


(rmj at

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