Please show your answer to at least 4 decimal places. Suppose that f(x, y) = x³y². The directional derivative of f(x, y) in the direction of (-2, -1) and at the point (x, y) = (3, 2) is

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A: Please see the below picture for detailed solution.

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Q: Would it be DNE ?

A: Let's solve. In above answer calculation mistake is there.