Find the directional derivative of the function at the point P in the direction of the point

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Find the directional derivative of the function at the point P in the direction of the point Q.

f(x, y) = √xy,    P(2, 8),    Q(5, 4)

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Calculus Early Transcendentals

ISBN: 9781337613927

9th Edition

Authors: James Stewart, Daniel K. Clegg, Saleem Watson, Lothar Redlin

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