Re: Evaluation of limit

*To*: mathgroup at smc.vnet.net*Subject*: [mg115732] Re: Evaluation of limit*From*: Barrie Stokes <Barrie.Stokes at newcastle.edu.au>*Date*: Wed, 19 Jan 2011 05:28:44 -0500 (EST)

Hi I find that Matheamtica 7 just gives back the input, i.e., can't do it, but Mathematica 8 gives zero as desired. Cheers Barrie >>> On 18/01/2011 at 9:52 pm, in message <201101181052.FAA11784 at smc.vnet.net>, "Dr. C. S. Jog" <jogc at mecheng.iisc.ernet.in> wrote: > If I give the command > > In[1]:= Limit[Cosh[x]+Sinh[x]^2*Log[Tanh[x/2]],x->Infinity] > > I get > x 2 > Out[1]= Limit[Cosh[x] + Log[Tanh[-]] Sinh[x] , x -> Infinity] > 2 > > instead of zero. This result can be verified numerically (of course, by > using higher precision than the default). > > Regards > > C. S. Jog