Re: how do you prevent numerator expansion when using 'Together'?
- To: mathgroup at smc.vnet.net
- Subject: [mg122293] Re: how do you prevent numerator expansion when using 'Together'?
- From: DrMajorBob <btreat1 at austin.rr.com>
- Date: Sun, 23 Oct 2011 06:26:45 -0400 (EDT)
- Delivered-to: l-mathgroup@mail-archive0.wolfram.com
Factor[(a + b)/d + ((a + b)*(e + f))/(d*g)] ((a + b) (e + f + g))/(d g) Together[(a + b)/d + ((a + b)*(e + f))/(d*g)] ((a + b) (e + f + g))/(d g) Bobby On Sat, 22 Oct 2011 05:07:37 -0500, Dushan Mitrovich <dushanm at nnips.net> wrote: > I'm using Mathematica 8. When using 'Together' on an expression the > numerator > is always expanded, complicating the appearance of the final result: > > In: Together[ (a+b)/d + ((a+b)*(e+f))/(d*g) ] > Out: 1/(d*g) * (a*g + b*g + a*e + b*e + a*f + b*f) > > Instead, I'd much prefer the simpler form > 1/(d*g) * (a+b)*(g+e+f) > > What do I need to do to get the latter form? Thanks. > > - Dushan > [ reverse the middle word of address to reply ] > -- DrMajorBob at yahoo.com