Find the directional derivative of the function at the given point in the direction of the vector

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Find the directional derivative of the function at the given point in the direction of the vector v.

f(x, y) = ln(x2 + y2), (2, 1), v = 〈–1, 2〉

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Related Book For  answer-question

Calculus

ISBN: 9780495011606

6th Edition

Authors: James Stewart

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