Let f(x,y) = x^2 - y^3
a) Find the gradient of f(x,y) at (3,2).
c) Find the maximum value of the directional derivative of f(x,y) at (3,2) and the direction in which it occurs.© BrainMass Inc. brainmass.com October 15, 2018, 9:21 pm ad1c9bdddf - https://brainmass.com/math/derivatives/maximum-value-directional-derivative-357396
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The solution is ...
The two dimensional gradient operator is expressed clearly.