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Let f(x, y) = xy4. Round the components of your answers to three decimal places. (a) At the point ( - 3, 2), find

Let f(x, y) = xy4. Round the components of your answers to three decimal places. (a) At the point ( - 3, 2), find a unit vector in the direction of maximum rate of change. (b) At the point ( - 3, 2), find a unit vector in the direction of minimum rate of change. +

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