Limit of several variables

[From: ] [author: ] [Date: 12-11-01] [Hit: ]

Does the limit exist? Please show details.

lim
(x,y)->(0,0)

of

xy/(x^2+y^2)

NO , let y = mx , to get to m / [ 1 + m²]---> different values depending upon which line is chosen

keywords: several,variables,Limit,of,Limit of several variables