Re: fibonacci question

*To*: mathgroup at smc.vnet.net*Subject*: [mg119476] Re: fibonacci question*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Sun, 5 Jun 2011 07:04:50 -0400 (EDT)

It can verify it Fibonacci[cn] + Fibonacci[cn + 1] == Fibonacci[cn + 2] // FullSimplify True Fibonacci[cn] + Fibonacci[cn + 1] == Fibonacci[cn + 2] // FunctionExpand // Simplify True Bob Hanlon ---- olfa <olfa.mraihi at yahoo.fr> wrote: ============= Hello Mathematica community, why FullSimplify[Fibonacci[cn] + Fibonacci[cn + 1]] is not simplified into Fibonacci[cn+2]? what mathematica function should I use to get this output? thank you very much for your help.