Re: Mathematica is not very clever

*To*: mathgroup at smc.vnet.net*Subject*: [mg53045] Re: [mg53022] Mathematica is not very clever*From*: Clifford Martin <camartin at snet.net>*Date*: Tue, 21 Dec 2004 05:19:27 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

If you use NIntegrate (as your answer is numerical) you get the answer you were looking for, at least in 5.01. Cliff --- Klaus G <Karl_boehme_9 at msn.com> wrote: > Mathematica refuses to compute the following > integral: > > Integrate [ArcTan[Sqrt[x^2 + 2]]/((x^2 + 1)*Sqrt[x^2 > + 2]), {x, 0, 1}] > > Why is that? > The correct result is 5*Pi^2 / 96, which can be > proved. > > Klaus G. > >