Q: limit of f(x,y)=(x^3-y^3)/(x^2+y^2) as (x,y) -> (0,)?
What I tried:
1. Picked 0 as L
2. We know x^2+y^2 < d^2
3. and lxl=<d and lyl=<d
I can't think of an inequation needed
Any help would be greatly appreciated. Thanks
Q: limit of f(x,y)=(x^3-y^3)/(x^2+y^2) as (x,y) -> (0,)?
What I tried:
1. Picked 0 as L
2. We know x^2+y^2 < d^2
3. and lxl=<d and lyl=<d
I can't think of an inequation needed
Any help would be greatly appreciated. Thanks