Find the directional derivative of f at the point p

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Reference no: EM13838332

Consider the scalar field f(x,y,z) = xy - 3xz + 3x^2z.

a) Find grad f (denoted also as nabla f).

b) Find the directional derivative of f at the point P: (1,1,1) in the direction of the vector field u=[2,-1,1].

Reference no: EM13838332

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