Hi, how can I show this function is continuous?
f(x,y)=x/y+y/x-1
I could go with an e-d definition, but there seems to be an easier way. Can I argue continuity of rational functions for two variables?
Hi, how can I show this function is continuous?
f(x,y)=x/y+y/x-1
I could go with an e-d definition, but there seems to be an easier way. Can I argue continuity of rational functions for two variables?