## Question

###### Find the directional derivative of the function at the given point the direction of the vector f(x, Y, 2) = xy + Yz, (1, 5, 6) , (2, -1, 2)}Dvf{1, 5, 6)

Find the directional derivative of the function at the given point the direction of the vector f(x, Y, 2) = xy + Yz, (1, 5, 6) , (2, -1, 2)} Dvf{1, 5, 6)

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