. Let f(x, y) = x3³-3x+3xy2. Then f has critical points (0, -1), (0, 1), (-1,0), and (1,0). Use the Second Derivative Test to determine whether each critical point corresponds to a local maximum, a local minimum, or a saddle point. (S-2)
. Let f(x, y) = x3³-3x+3xy2. Then f has critical points (0, -1), (0, 1), (-1,0), and (1,0). Use the Second Derivative Test to determine whether each critical point corresponds to a local maximum, a local minimum, or a saddle point. (S-2)
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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![9. Let f(x, y) = x³ - 3x + 3xy2. Then f has critical points (0, -1), (0, 1), (-1,0), and (1,0). Use the
Second Derivative Test to determine whether each critical point corresponds to a local maximum, a
local minimum, or a saddle point.
x = 3x² -3 +
x = 6 x
D (x,y) =
3y²
(81) 20-8-5
fy = 6 xy
fyy = cox
fxy = Coy
of onely &ngual sito coitaros no bar &](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Ff91c201b-0e23-4e90-ba83-fad6a8085473%2F3cb0fdad-9a13-4e22-afa0-c5da279512c6%2F135bjhx_processed.jpeg&w=3840&q=75)
Transcribed Image Text:9. Let f(x, y) = x³ - 3x + 3xy2. Then f has critical points (0, -1), (0, 1), (-1,0), and (1,0). Use the
Second Derivative Test to determine whether each critical point corresponds to a local maximum, a
local minimum, or a saddle point.
x = 3x² -3 +
x = 6 x
D (x,y) =
3y²
(81) 20-8-5
fy = 6 xy
fyy = cox
fxy = Coy
of onely &ngual sito coitaros no bar &
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