Re: Is the answer for this Integral correct???

*To*: mathgroup at smc.vnet.net*Subject*: [mg54274] Re: Is the answer for this Integral correct???*From*: Max Goldfarb <TheMuati at verizon.net>*Date*: Wed, 16 Feb 2005 14:35:54 -0500 (EST)*References*: <curuei$t3l$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

zeno wrote: > Using Mathematica 4.2, I get the answer of 0 for this Integral.... > > Integrate[Log[x]/x, {x, -1 , 1}] > > Is this the correct answer??? > > Mathemtica output below...... > ___________________________ > > In[3]:= (21:43:17 on 2/14/05 > Integrate[Log[x]/x, {x, -1 ,1}] > > Out[3]= (21:43:17 on 2/14/05) > 0 > if you look at the graph of this function, it is asymptotic at zero, so the area is kinda infinite. It isn't defined from -1 to 0, so the bounds can be changed. So... the answer Mathematica gave was not right, I guess.