Question: 2. Let 3 4 2 x my , f(x y) = x24y2 1f (flag) 75 (0,0) 0 if (ray) 2 (0,0) (a) (6 marks) Is

 2. Let 3 4 2 x my , f(x y) =

2. Let 3 4 2 x my , f(x y) = x24y2 1f (flag) 75 (0,0) 0 if (ray) 2 (0,0) (a) (6 marks) Is f differentiable at (0, 0)? Prove your answer. (b) (6 marks) Find the directional derivative Du f (0, 0) for a general unit vector u = u1i+ U2 j. If it does not exist, explain why

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock
Step: 3 Unlock

Students Have Also Explored These Related Mathematics Questions!