Re: This should evaluate to zero

*To*: mathgroup at smc.vnet.net*Subject*: [mg39967] Re: [mg39926] This should evaluate to zero*From*: Dr Bob <drbob at bigfoot.com>*Date*: Thu, 13 Mar 2003 03:03:32 -0500 (EST)*References*: <200303120728.CAA19055@smc.vnet.net>*Reply-to*: drbob at bigfoot.com*Sender*: owner-wri-mathgroup at wolfram.com

Here's a proof that the answer is zero: {ArcSinh[1], Log[3363 + 2378*Sqrt[2]]/10} % // TrigToExp Exp /@ % % // Simplify #^10 & /@ % % // Expand However, Simplify and FullSimplify can't be expected to know this. Bobby On Wed, 12 Mar 2003 02:28:18 -0500 (EST), jf alcover <jf.alcover at bdpme.fr> wrote: > Bonjour, > Methinks that the following expression should evaluate to zero, > but it does not, even with FullSimplify : > ArcSinh[1]-Log[3363+2378*Sqrt[2]]/10 > Could anyone explain ? > > -- majort at cox-internet.com Bobby R. Treat

**References**:**This should evaluate to zero***From:*jf.alcover@bdpme.fr (jf alcover)