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The derivative of f(x,y,z) at a point P is greatest in the direction of v=6i+6j-6k In this direction the value of the derivative is 63

The derivative of f(x,y,z) at a point P is greatest in the direction of

v=6i+6j-6k

In this direction the value of the derivative is 63

a)findf|p

b)Find directional derivative of f at P in the direction of

v=16i +48k

Dvf(P)

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