Re: FindRoot
- To: mathgroup at smc.vnet.net
- Subject: [mg98723] Re: FindRoot
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Fri, 17 Apr 2009 04:26:43 -0400 (EDT)
- References: <gs6pg3$h2f$1@smc.vnet.net>
Hi, Solve[x^3 - 4 a^2 x - 2 a^3 == 0, x] ? but nobody can tell you which one is real. Regards Jens Miguel wrote: > Hi all, > How can I to find the reals roots of a cubic equation in simbolic > form: For example, > > Find the roots of > x^3-4a^2x-2a^3==0 > > where "a" is real and a>0. > > Thanks >