Wrong limit?

*To*: mathgroup at smc.vnet.net*Subject*: [mg104654] Wrong limit?*From*: wiso <gtu2003 at alice.it>*Date*: Fri, 6 Nov 2009 05:14:48 -0500 (EST)

Look at this: Limit[(x^2 - a^2)/(5 x^2 - 4 a x - a^2), x -> a] Mathematica answer = 1/3 this is ok for a !=0, but if a = 0 the value is Limit[(x^2 - a^2)/(5 x^2 - 4 a x - a^2) /. a -> 0, x -> 0] 1/5

**Follow-Ups**:**Re: Wrong limit?***From:*DrMajorBob <btreat1@austin.rr.com>