Re: Improper Integral & Mathematica
- To: mathgroup at smc.vnet.net
- Subject: [mg80633] Re: [mg80577] Improper Integral & Mathematica
- From: Bob Hanlon <hanlonr at cox.net>
- Date: Sun, 26 Aug 2007 23:28:11 -0400 (EDT)
- Reply-to: hanlonr at cox.net
If e is supposed to be the exponential constant then
Integrate[(E^x)/(1 + E^(2 x)), {x, -Infinity, Infinity}]
Pi/2
Bob Hanlon
---- expizzaiolo at gmail.com wrote:
> Hi all ! :-)
>
> how to solve:
>
> Integrate[(e^x) / (1 + e^(2x)), {x, - Infinity, + Infinity }]
>
> using Mathematica? I'm trying "e^x = t" but won't work...
>
>
>
> TNX!
>
>