Hi guys,
I have a problem: for the equation f(x,y)=e^xln(y), how do I determine if the surface z=f(x,y) has any horizontal tangent planes?
The thing that's tripping me up is the "horizontal" part.
Any help would be most appreciated. Thanks!
Hi guys,
I have a problem: for the equation f(x,y)=e^xln(y), how do I determine if the surface z=f(x,y) has any horizontal tangent planes?
The thing that's tripping me up is the "horizontal" part.
Any help would be most appreciated. Thanks!