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Re: how do you prevent numerator expansion when using 'Together'?
On Oct 22, 1:12 pm, Dushan Mitrovich <dush... 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 ] In version 5.2 you can use In:= Simplify[Together[(a + b)/d + ((a + b)*(e + f))/(d*g)]] Out= ((a + b)*(e + f + g))/(d*g) Dimitris