- #1
zhuyilun
- 27
- 0
Homework Statement
lim(e^(-x*y) * sin( pi * z/2) as (x,y,z) approaches (3,0,1)
Homework Equations
The Attempt at a Solution
i know how to find the limit exists or not for a 2-variable function which is just set x=o;y=0;x=y
how can this method applies here