Re: Getting rid of the symbol -> after finding the root

*To*: mathgroup at smc.vnet.net*Subject*: [mg39343] Re: Getting rid of the symbol -> after finding the root*From*: Friedrich Laher <mathefritz at schmieder-laher.de>*Date*: Wed, 12 Feb 2003 03:51:52 -0500 (EST)*References*: <b2ahfv$pjr$1@smc.vnet.net>*Sender*: owner-wri-mathgroup at wolfram.com

Mostaghel, Naser schrieb: > Dear Friends, > I need to use the root of a simple equation in subsequent operations. > After extracting the root, it comes in the form ->root. I have not been > able to get rid of the symbol -> . > > Can someone help? > > Thanks, > > > Naser Mostaghel > Professor, Civil Engineering > T: (419) 530-8131 > F: (419) 530-8116 > E: nmostag at utnet.utoledo.edu > > > r = Solve[x^2 + a x + b == 0, x] \!\(TraditionalForm\`{{x -> 1\/2\ \((\(-a\) - \@\(a\^2 - 4\ b\))\)}, {x -> 1\/2\ \((\@\(a\^2 - 4\ b\) - a)\)}}\) r[[1, 1, 2]] isolates the 1st root \!\(TraditionalForm\`1\/2\ \((\(-a\) - \@\(a\^2 - 4\ b\))\)\) r[[1, 1, 2]] isolates the 2nd root \!\(TraditionalForm\`1\/2\ \((\@\(a\^2 - 4\ b\) - a)\)\)