Compute fa(P) where is a unit vector in the direction of . a) f(x, y) = x² + 2xy + 3y², P = (2,1), v = (1, 1) (Answ: 8√2) b) f(x, y, z) = xy + yz + zx, P = (1,-1,2), v= (1, 1, 1) (Answ: 4√3
Compute fa(P) where is a unit vector in the direction of . a) f(x, y) = x² + 2xy + 3y², P = (2,1), v = (1, 1) (Answ: 8√2) b) f(x, y, z) = xy + yz + zx, P = (1,-1,2), v= (1, 1, 1) (Answ: 4√3
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:Compute fa(P) where u is a unit vector in the direction of 7.
a) f(x, y) = x² + 2xy + 3y², P = (2, 1), v = (1, 1) (Answ: 8√2)
b) f(x, y, z) = xy + yz+zx, P = (1,-1,2), v = (1, 1, 1) (Answ: 4√3
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