Question: Given f(x, y) = -4x - xy + 5y, find the directional derivative at (x, y) = (6, -2) in the direction 271 corresponding to

Given f(x, y) = -4x - xy + 5y, find the directional derivative at (x, y) = (6, -2) in the direction 271 corresponding to 0 = 3 . Round to 5 decimal places as necessary

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