Find the directional derivative of (x, y, z) = xy + z 3 at the point P

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Find the directional derivative of ƒ(x, y, z) = xy + z3 at the point P = (3, −2, −1) in the direction pointing to the origin.

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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