Re: Limit bug?

*To*: mathgroup at smc.vnet.net*Subject*: [mg65911] Re: [mg65904] Limit bug?*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Sun, 23 Apr 2006 06:17:11 -0400 (EDT)*Reply-to*: hanlonr at cox.net*Sender*: owner-wri-mathgroup at wolfram.com

I don't know why the second form does not evaluate but you can force it with TrigToExp Limit[TrigToExp[x - Log[Cosh[x]]], x->Infinity] log(2) Bob Hanlon > > From: "Ray Koopman" <koopman at sfu.ca> To: mathgroup at smc.vnet.net > Subject: [mg65911] [mg65904] Limit bug? > > Does anyone have an explanation for this? > I was expecting Out[2] to be Log[2]. > > In[1]:= Limit[ Log[Cosh[x]] - x, x -> Infinity] > > Out[1]= -Log[2] > > In[2]:= Limit[ x - Log[Cosh[x]], x -> Infinity] > > Out[2]= Limit[x-Log[Cosh[x]],x\[Rule]\[Infinity]] > >