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The directional derivative of a differentiable function f(x, y) in the direction of a unit vector u at any point (x, y) is given by the expression Duf = Vf cos 0, where is the angle between Vf and u. Select one: True False

The directional derivative of a differentiable function f(x, y) in the direction of a unit vector u at any point (x, y) is given by the expression Duf = Vf cos 0, where is the angle between Vf and u. Select one: True False

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter8: Applications Of Trigonometry
Section8.3: Vectors
Problem 60E
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The directional derivative of a differentiable function f(x, y) in the direction of a unit vector u at any point (x, y) is given by the expression Duf = Vf cos 0, where is the angle between Vf and u. Select one: True False
Transcribed Image Text:The directional derivative of a differentiable function f(x, y) in the direction of a unit vector u at any point (x, y) is given by the expression Duf = Vf cos 0, where is the angle between Vf and u. Select one: True False
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