Question: 7. (10 points) Find the directional derivative of the function f(x, y) = x- x y' at the point (2, 1) in the direction of

7. (10 points) Find the directional derivative of the function f(x,

y) = x- x y' at the point (2, 1) in the

7. (10 points) Find the directional derivative of the function f(x, y) = x- x y' at the point (2, 1) in the direction of the vector v = i + 3j

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