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Calculate the gradient of f(x, y) = sin(x2 – 4y) Vf =
Calculate the gradient of h(x, y, z) = x-3y-22-2 Vh=
Calculate the directional derivative of S(x,y) = xy in the direction of y = -1 + 2) at the point P = (1,2). Remember to norma
11 point Calculate the directional derivative of f(x,y) = cos (xy) in the direction of v = Si +2j at the point P = (0.5, 0.5)

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