Anyone?
Question - imgur: the simple image sharer
Answers - imgur: the simple image sharer
I am slightly unsure what to do with (c), do we use the same limits as from part (b)?
for (b) just evaluate the gradient at that point
for (c) you take the directional derivative which is the gradient dot the directional vector
I don't see how you can do (c) unless they tell you a point to take the derivative at.