b. Find the directional derivative of the function z = x3 – y3 at the point M(1,1), in the direction of the vector u which makes angle a = 60° with positive direction of the x- axis.
b. Find the directional derivative of the function z = x3 – y3 at the point M(1,1), in the direction of the vector u which makes angle a = 60° with positive direction of the x- axis.
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 21E
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![b. Find the directional derivative of the function z = x3 – y3 at the point M(1,1), in the
direction of the vector u which makes angle a = 60° with positive direction of the x-
axis.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F34abc64d-4083-430f-9dbe-25574b98c457%2F7f51c070-d7bd-485b-a83b-3c2563754846%2F3aoi0zd_processed.jpeg&w=3840&q=75)
Transcribed Image Text:b. Find the directional derivative of the function z = x3 – y3 at the point M(1,1), in the
direction of the vector u which makes angle a = 60° with positive direction of the x-
axis.
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