Re: Expanding a Square Root
- To: mathgroup at smc.vnet.net
- Subject: [mg50827] Re: Expanding a Square Root
- From: Jens-Peer Kuska <kuska at informatik.uni-leipzig.de>
- Date: Wed, 22 Sep 2004 04:52:05 -0400 (EDT)
- Organization: Universitaet Leipzig
- References: <ciqvh5$ilb$1@smc.vnet.net>
- Reply-to: kuska at informatik.uni-leipzig.de
- Sender: owner-wri-mathgroup at wolfram.com
Hi, Sqrt[3799 + 792*Sqrt[23]] // FullSimplify ??? Regards Jens Jim Dars wrote: > > Hi All, > > I should point out that I use Mathematica 4.0 infrequently, thus I may be > missing the obvious. My problem is as follows: > > In the following I use the square root sign from the palette for SQRT > Expand[(44+9*SQRT(23))^2] yields > 3799 + 792*SQRT(23) > > I now wish to take the square root of 3799 + 792*SQRT(23) to return to my > original expression. However > > Expand[SQRT(3799 + 792*SQRT(23))] merely yields > > [SQRT(3799 + 792*SQRT(23))] > > What is the proper command to make SQRT(3799 + 792*SQRT(23)) yield > 44+9*SQRT(23) > > Best wishes, Jim