Compute the directional derivative of f(x, y, z) = y²e*y% at the point (0, 1, -1) in the direction of the upward normal of the plane 3x +4y+5z = 9. Indicate the direction of maximum increase in fat the point and its maximum rate of change.

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Q: Find the gradient of the function and the maximum value of the directional derivative at the point…

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Q: 15 /(х. у) 2гу-Зх, Р % (2, 1), - (3,2)

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