Determine all of the critical points of f(x,y)=
+ 3
- 9x +
- 12y.Also use the second derivative test to determine,if possible,whether a maximum,minimum or saddle point occurs at each of these critical points.

Question

Determine all of the critical points of f(x,y)=  
+ 3  
- 9x +  
- 12y.Also use the second derivative test to determine,if possible,whether a maximum,minimum or saddle point occurs at each of these critical points.

Quizplus · Accepted Answer

The Answer of Determine all of the critical points of f(x,y)=  
+ 3  
- 9x +  
- 12y.Also use the second derivative test to determine,if possible,whether a maximum,minimum or saddle point occurs at each of these critical points.

Determine All of the Critical Points of F(x,y)=