Question: (a) Find the gradient of f . (b) Evaluate the gradient at the point P. (c) Find the rate of change of f at P

(a) Find the gradient of f .
(b) Evaluate the gradient at the point P.
(c) Find the rate of change of f at P in the direction of the vector u.
(0. §. –}) 3 f(x, y, z) = x²yz – xyz², P(2, – 1, 1), u =

(0. . }) 3 f(x, y, z) = xyz xyz, P(2, 1, 1), u =

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