- #1
mike1967
- 16
- 0
Homework Statement
lim(x,y)->(1,0) of ln((1+y^2)/(x^2+xy))
Homework Equations
The Attempt at a Solution
Used two paths,
x=1
y=0
both gave my lim=0
so I tried x=rsin y=rcos, in attempt to use ε-δ to prove it.
got to ln((1+r^2sin^2)/(r^2cos(cos+sin)))
not sure where to go from here.