Re: Factorizing...

*To*: mathgroup at smc.vnet.net*Subject*: [mg74142] Re: [mg74080] Factorizing...*From*: Bob Hanlon <hanlonr at cox.net>*Date*: Mon, 12 Mar 2007 22:07:02 -0500 (EST)*Reply-to*: hanlonr at cox.net

expr=2+Sqrt[5]; expr==Simplify[((1+Sqrt[5])/2)^3] True Last[Reduce[{x^3==expr,x>0},x]]^3 (1/8)*(1 + Sqrt[5])^3 Bob Hanlon ---- Bruno Campanini <BC at gmail.com> wrote: > How can I get it from Mathematica: > > Factor[2+SQR(5)] = ((1+SQR(5))/2)^3 > > ??? > > Bruno