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Given that the directional derivative of f at the point (6,-4, 8) in the direction of a = 2i-2jk 2i-2jk is is - 8 and that ||Vƒ(6,-4,8)|| = 8, find Vƒ(6,-4, 8). Vƒ(6,-4, 8) =

Given that the directional derivative of f at the point (6,-4, 8) in the direction of a = 2i-2jk 2i-2jk is is - 8 and that ||Vƒ(6,-4,8)|| = 8, find Vƒ(6,-4, 8). Vƒ(6,-4, 8) =

Calculus For The Life Sciences
Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter3: The Derivative
Section3.CR: Chapter 3 Review
Problem 59CR
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Given that the directional derivative of f at the point (6,-4, 8) in the direction of a = 2i - 2j – kis − 8 and that ||Vƒ(6, −4, 8)|| = 8, find Vf (6,-4, 8). Vƒ(6,-4, 8) = =
Transcribed Image Text:Given that the directional derivative of f at the point (6,-4, 8) in the direction of a = 2i - 2j – kis − 8 and that ||Vƒ(6, −4, 8)|| = 8, find Vf (6,-4, 8). Vƒ(6,-4, 8) = =
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