Find the directional derivative of f(x, y, z) = 2³ - x²y at the point (-1, -2, 4) in the direction of the vector v = (-4,-1,-4).

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 31E
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Find the directional derivative of f(x, y, z) = z³ — x²y at the point (-1, -2, 4) in the direction of the vector v = (-4,-1,-4).
Transcribed Image Text:Find the directional derivative of f(x, y, z) = z³ — x²y at the point (-1, -2, 4) in the direction of the vector v = (-4,-1,-4).
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