Negative Area
- To: mathgroup at christensen.cybernetics.net
 - 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?
In[347]:=
Integrate[1/(A+B Cos[x])^2,{x,0,2 Pi}]/.{A->2,B->1}
Out[347]=
  -4 Pi
---------
3 Sqrt[3]
---
Yours,
Roger
(rmj at llewelyn.slac.stanford.edu)