Re: Why can't Mathematica tell when something is algebraically zero?
- To: mathgroup at smc.vnet.net
- Subject: [mg108179] Re: Why can't Mathematica tell when something is algebraically zero?
- From: psycho_dad <s.nesseris at gmail.com>
- Date: Tue, 9 Mar 2010 06:29:02 -0500 (EST)
- References: <hn2ltj$3kt$1@smc.vnet.net>
Hi, Applying PowerExpand seems to work (in v.7): r^2 Sqrt[(r^3 + r + 2)/r] - Sqrt[r^3 (r^3 + r + 2)] //PowerExpand 0 Cheers, psycho_dad