Find all points (x,y) where f(x,y) has a possible relative maximum or minimum. f(x,y) =x² - 5xy + 6y² + 3x - 9y + 8 ... What are the possible point(s)? (Type an ordered pair. Type an exact answer in simplified form. Use a comma to separate answers as needed.)

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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Find all points (x,y) where f(x,y) has a possible relative maximum or minimum.
f(x,y) =x - 5xy + 6y + 3x - 9y + 8
What are the possible point(s)?
(Type an ordered pair. Type an exact answer in simplified form. Use a comma to separate answers as needed.)
Transcribed Image Text:Find all points (x,y) where f(x,y) has a possible relative maximum or minimum. f(x,y) =x - 5xy + 6y + 3x - 9y + 8 What are the possible point(s)? (Type an ordered pair. Type an exact answer in simplified form. Use a comma to separate answers as needed.)
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Given that: f(x, y)=x2-5xy+6y2+3x-9y+8

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