18.) Compute the directional derivative of f in the given ✓ given points P. 3 a) f(x, y, z) = xy² + y ² z ²³ + Z²x₁₂ P = (4-2₂³¹1), V = 1 Ju (i +3j + 2k) (1 12 3 b.] f(x, y, z) = xyz, P = (e₁e₁0), V= 13₂ | +istisk 13 to
18.) Compute the directional derivative of f in the given ✓ given points P. 3 a) f(x, y, z) = xy² + y ² z ²³ + Z²x₁₂ P = (4-2₂³¹1), V = 1 Ju (i +3j + 2k) (1 12 3 b.] f(x, y, z) = xyz, P = (e₁e₁0), V= 13₂ | +istisk 13 to
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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Question
![18) Compute the directional derivative of f in the give
given points P.
3
a) f(x, y, z) = xy² + y ² z ²³² + Z²³x₂₁ P = (4₁-2, -1), V =
1 (1 + 3j+2k)
4
12
3
b.)]f(x, y, z) = xyz, P = (e₁e₁0), V = 13 ) tistisk
to](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa03415f8-38f2-4478-b688-afaca619ca5c%2F8f69318d-6bac-4289-90a4-f2627b940d10%2Fvm8x0j_processed.jpeg&w=3840&q=75)
Transcribed Image Text:18) Compute the directional derivative of f in the give
given points P.
3
a) f(x, y, z) = xy² + y ² z ²³² + Z²³x₂₁ P = (4₁-2, -1), V =
1 (1 + 3j+2k)
4
12
3
b.)]f(x, y, z) = xyz, P = (e₁e₁0), V = 13 ) tistisk
to
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