Simplifying Expressions containing SQRT

*To*: mathgroup at smc.vnet.net*Subject*: [mg3126] Simplifying Expressions containing SQRT*From*: lieres at studm.hrz.uni-siegen.de (Eric von Lieres)*Date*: Tue, 6 Feb 1996 22:47:52 -0500*Organization*: Computer Center, University of Siegen, Germany*Sender*: owner-wri-mathgroup at wolfram.com

Hi everybody! Strange things do happen! Mathematica4s ability to simplify equitations containing square roots seems to be quite weak. Perhaps I just do not know enough about these things, but I did read the manual. An example: Sqrt [ R ( R - x ) ] Sqrt [ ( R - x ) x ] / ( R x - R^2 ) equals Sqrt[ R / x ], but I can4t get Mathematica figure that out. I tried PowerExpand, Factor, Collect, Simplify and almost everything else in various orders. Nothing worked! What can I do? I do appreciate every helpful hint. Thank you very much. Eric von Lieres lieres at studm.hrz.uni-siegen.de ------------------------------------------------------------ Eric von Lieres lieres at studm.hrz.uni-siegen.de ==== [MESSAGE SEPARATOR] ====