Question: Compute the directional derivative of the function g(x,y) = sin (nt(5x - 6y)) at the point P(1, - 1) in the direction 12 5 13'

Compute the directional derivative of the function g(x,y) = sin (nt(5x

Compute the directional derivative of the function g(x,y) = sin (nt(5x - 6y)) at the point P(1, - 1) in the direction 12 5 13' 13 Be sure to use a unit vector for the direction vector. . . . The directional derivative is (Type an exact answer, using it as needed.)

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