3y > » √+x4 Definc f(x,y) (a) Find the rate of change of f at the point (-1,1) along the direction (1,-1). (b) Let C be the portion of the curve y = - = 3x²³² from the point (-1, 1) to the point (3,-9). Evaluate Jc f(x, y) ds
3y > » √+x4 Definc f(x,y) (a) Find the rate of change of f at the point (-1,1) along the direction (1,-1). (b) Let C be the portion of the curve y = - = 3x²³² from the point (-1, 1) to the point (3,-9). Evaluate Jc f(x, y) ds
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:/
3y
Define f(x,y) = 34 x 4
√+x4
(a) Find the rate of change of f at the point (-1,1)
along the direction (1,-1).
133x³3 from
y =
(b) Let C be the portion of the curve
the point (-1, ) to the point (3,-9). Evaluate
Jc f(x,y) ds
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