{"comment":{"created_at":"2011-11-23T18:27:20Z","position":null,"commit_id":"5c889b4098b0431b7aabc6d4bd31683ae3979117","updated_at":"2011-11-23T18:27:20Z","user":{"gravatar_id":"06e8f668ca62cbe8a49b53bede84dec1","id":759243,"url":"https://api.github.com/users/pernici","avatar_url":"https://secure.gravatar.com/avatar/06e8f668ca62cbe8a49b53bede84dec1?d=https://a248.e.akamai.net/assets.github.com%2Fimages%2Fgravatars%2Fgravatar-140.png","login":"pernici"},"body":"I modified `radsimp` so that it can simplify denominators with 3 roots, I put the code in my branch and-per (but it does not run there,\r\nuse it here)\r\n\r\n```\r\n>>> from sympy import *\r\n>>> z = 1/(1 + sqrt(2) + sqrt(3) + sqrt(5))\r\n>>> a = radsimp(z); a\r\n(-34*sqrt(10) - 26*sqrt(15) - 55*sqrt(3) - 61*sqrt(2) + 14*sqrt(30) + 93 + 46*sqrt(6) + 53*sqrt(5))/71\r\n>>> (z - a).evalf()\r\n.0e-127\r\n```\r\n\r\n","id":742069,"path":null,"line":null,"html_url":"https://github.com/smichr/sympy/commit/5c889b4098#commitcomment-742069","url":"https://api.github.com/repos/smichr/sympy/comments/742069"}}