The derivaive of f(x, y, z) at a point P is greatest in the direction given by In this direction, the value of the derivative is 3√3. a. Find Vfp. Vf\p= v=9i+97-9k.
The derivaive of f(x, y, z) at a point P is greatest in the direction given by In this direction, the value of the derivative is 3√3. a. Find Vfp. Vf\p= v=9i+97-9k.
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:The derivaive of f(x, y, z) at a point P is greatest in the direction given by
In this direction, the value of the derivative is 3√//3.
a. Find Vfp.
Vf\p=
v=9i+97-9k.
Transcribed Image Text:b. Find the directional derivative of f at P in the direction given by v = 10j +27k.
D-f(P)=
a
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