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Local minima are none Saddle points are none

Local minima are none Saddle points are none

Advanced Engineering Mathematics
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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Find all local maxima, local minima, and saddle points of each function. Enter each point as an ordered triple, e.g., "(1,5,10)". If there is more than one point of a given type, enter a comma- separated list of ordered triples. If there are no points of a given type, enter "none". f(x, y) = x4 + yt + 81xy Local maxima are none Local minima are none Saddle points are none 4 f(r, y) = 1 + 5xy+ Local maxima are none Local minima are none
Transcribed Image Text:Find all local maxima, local minima, and saddle points of each function. Enter each point as an ordered triple, e.g., "(1,5,10)". If there is more than one point of a given type, enter a comma- separated list of ordered triples. If there are no points of a given type, enter "none". f(x, y) = x4 + yt + 81xy Local maxima are none Local minima are none Saddle points are none 4 f(r, y) = 1 + 5xy+ Local maxima are none Local minima are none
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