Find all points (x,y) where f(x,y) has a possible relative maximum or minimum. f(x.y) 3x3 +4x2y-36y First, find the partial derivatives. of dx of ду Using only the first-derivative test for functions of two variables, find all the points that are possibly a relative maximum or a relative minimum.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter9: Multivariable Calculus
Section9.3: Maxima And Minima
Problem 4E
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Find all points (x,y) where f(x,y) has a possible relative maximum or minimum.
f(x,y) = 3x3 + 4x2y-36y
First, find the partial derivatives.
of
dx
of
dy
Using only the first-derivative test for functions of two variables, find all the points that are possibly a relative maximum or a relative minimum.
(Type an ordered pair. Type an exact answer Use a commo t
Transcribed Image Text:Find all points (x,y) where f(x,y) has a possible relative maximum or minimum. f(x,y) = 3x3 + 4x2y-36y First, find the partial derivatives. of dx of dy Using only the first-derivative test for functions of two variables, find all the points that are possibly a relative maximum or a relative minimum. (Type an ordered pair. Type an exact answer Use a commo t
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