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, z) = xy − xy2z2,    P(2, −1, 1),    Q(5, 1, 7)

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Related Book For  answer-question

Calculus Early Transcendentals

ISBN: 9781337613927

9th Edition

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

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