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(Solved): Calculate the directional derivative of f(x,y)=cos^(-1)(xy) in the direction of v=-3i-2j at the poin ...
Calculate the directional derivative of f(x,y)=cos^(-1)(xy) in the direction of v=-3i-2j at the point P=(0,5,0.5). Remember to normalize the direction vector.
D_(u)f(0.5,0.5)=