Find the rate of change of f at the given point

Reference no: EM131008594

Let f (x,y) = x² sin(2y)

a. Find the rate of change of f at the point (1, π/6) in the direction (4, - 3).

b. Find the vector u that maximises Duf (1, pi/6) and find the value of Duf (1, pi/6) for that u.

Reference no: EM131008594

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