Compute the directional derivative of the following function at the given point P in the direction of the given vector.

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Compute The Directional Derivative Of The Following Function At The Given Point P In The Direction Of The Given Vector 1 (35.68 KiB) Viewed 67 times

Compute the directional derivative of the following function at the given point P in the direction of the given vector. Be sure to use a unit vector for the direction vector. f(x,y)= In (3+x² + 2y²); P(1,-1); (2,1) Find the gradient of f(x,y) = In (3+x² + 2y²). Vf(x,y)= The directional derivative is (Type an exact answer, using radicals as needed.)