Re: Radicals simplify

*To*: mathgroup at smc.vnet.net*Subject*: [mg106386] Re: Radicals simplify*From*: dh <dh at metrohm.com>*Date*: Mon, 11 Jan 2010 05:30:35 -0500 (EST)*References*: <hic37h$5ef$1@smc.vnet.net>

Hi, why do you think x(x^2 y^3)^(1/4) is simpler than (x^6 y^3)^(1/4)? MMA needs some criterion for this decision. The default criterion is the "LeafCount[..]". If that does not suit you, you must define another criterion. Daniel francix wrote: > Hi, > I am using Matematica 7 and need some help with Radicals. > > If I do > Simplify[(x^4 y^3)^(1/4), x >= 0] I correctly have > > x (y^3)^(1/4) > > But If I do > > Simplify[(x^6 y^3)^(1/4), x >= 0] I get > > (x^6 y^3)^(1/4) and not the correct answer x(x^2 y^3)^(1/4) > > Thanks in advanced. > > > > > > >

**Follow-Ups**:**Re: Re: Radicals simplify***From:*Murray Eisenberg <murray@math.umass.edu>