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.