3. Find the directional derivative Duf(x, y) if ƒ (x, y) = x³ – 3xy + 4y? and u is the unit vector in the direction given by angle 0 = 1/6, measured from the positive x-axis. What is Duf(1, 2)?
3. Find the directional derivative Duf(x, y) if ƒ (x, y) = x³ – 3xy + 4y? and u is the unit vector in the direction given by angle 0 = 1/6, measured from the positive x-axis. What is Duf(1, 2)?
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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![3. Find the directional derivative Duf(x, y) if f(x, y) = x³ – 3xy + 4y² and u is
the unit vector in the direction given by angle 0 = 1/6, measured from the
positive x-axis. What is Duf(1, 2)?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F4ff0be08-4931-4ff6-8f29-60641bab2574%2F163e1ae9-70f4-4d81-911c-90e63049c13e%2Fc18acn_processed.png&w=3840&q=75)
Transcribed Image Text:3. Find the directional derivative Duf(x, y) if f(x, y) = x³ – 3xy + 4y² and u is
the unit vector in the direction given by angle 0 = 1/6, measured from the
positive x-axis. What is Duf(1, 2)?
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