Re: Hypergeometric2F1

*To*: mathgroup at smc.vnet.net*Subject*: [mg93156] Re: [mg93136] Hypergeometric2F1*From*: Andrzej Kozlowski <akoz at mimuw.edu.pl>*Date*: Wed, 29 Oct 2008 05:49:13 -0500 (EST)*References*: <200810280954.EAA22098@smc.vnet.net>

On 28 Oct 2008, at 18:54, Artur wrote: > Dear Mathematica Gurus! > Who know which Mathematica procedure to use to find such a,b,c that > ArcCosh[2]/ArcCosh[2-x]==Hypergeometric2F1[a,b,c,x] for {x,-Infinity, > 1} > BEST WISHES > ARTUR > What makes you think such a,b,c exist? This seems to indicate that they do not: FindInstance[LogicalExpand[ ArcCosh[2]/ArcCosh[2 - x] - Hypergeometric2F1[a, b, c, x] + O[x]^5 == 0], {a, b, c}] {} Andrzej Kozlowski

**Follow-Ups**:**Re: Re: Hypergeometric2F1***From:*Artur <grafix@csl.pl>

**References**:**Hypergeometric2F1***From:*Artur <grafix@csl.pl>