Use Theorem 13.9 to find the directional derivative of the function at P in the direction of the unit vector u = cos i + sin ej. P(2, 0), 0=- R 6 f(x, y) = 6x + y
Use Theorem 13.9 to find the directional derivative of the function at P in the direction of the unit vector u = cos i + sin ej. P(2, 0), 0=- R 6 f(x, y) = 6x + y
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Use Theorem 13.9 to find the directional derivative of the function at P in the direction of the unit vector u = cos i + sin 0j.
P(2, 0),
ग
6
f(x, y) =
6x + y
li
0=-
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