) 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(r, y) = 9x³ + 6xy+6y³ Local maxima are none Local minima are none Saddle points are none

Advanced Engineering Mathematics
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ISBN:9780470458365
Author:Erwin Kreyszig
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Chapter2: Second-order Linear Odes
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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(r, y) = 9x³ + 6xy+6y³
Local maxima are
none
Local minima are
none
Saddle points 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(r, y) = 9x³ + 6xy+6y³ Local maxima are none Local minima are none Saddle points are none
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