Re: solve for a squared variable

*To*: mathgroup at smc.vnet.net*Subject*: [mg60476] Re: [mg60424] solve for a squared variable*From*: "David Park" <djmp at earthlink.net>*Date*: Sat, 17 Sep 2005 02:32:00 -0400 (EDT)*Sender*: owner-wri-mathgroup at wolfram.com

Ruth, Manipulate the equation 'by hand'.... x^2 + y == 1 # - y & /@ % x^2 + y == 1 x^2 == 1 - y David Park djmp at earthlink.net http://home.earthlink.net/~djmp/ From: Ruth Lazkoz [mailto:ruth.lazkoz at ehu.es] To: mathgroup at smc.vnet.net Hi everyone, Why does Solve[x^2 + y == 1, x^2] give and error message? How can I solve for x^2? Thanks, Ruth