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Consider the function f(x, y) = 3e^(2y)cos x. (a) Find the value of the direction derivative...

Consider the function f(x, y) = 3e^(2y)cos x.

(a) Find the value of the direction derivative of f at the point (1, 0) in the direction
of the point (2, 1).
(b) Find the direction of maximum increase of f from the point (π, 1).
Find the rate of that max increase.

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