The graph of f(x,y)=y2-x2 on XYZ space has a saddle point (a,b) if... choice: (choose one correct answer) D(a,b)>0 and fxx(a,b)>0 D(a,b)>0 and fxx(a,b)<0 D(a,b)=0 D(a,b)<0
The graph of f(x,y)=y2-x2 on XYZ space has a saddle point (a,b) if... choice: (choose one correct answer) D(a,b)>0 and fxx(a,b)>0 D(a,b)>0 and fxx(a,b)<0 D(a,b)=0 D(a,b)<0
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 40RE
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Question
The graph of f(x,y)=y2-x2 on XYZ space has a saddle point (a,b) if...
choice: (choose one correct answer)
- D(a,b)>0 and fxx(a,b)>0
- D(a,b)>0 and fxx(a,b)<0
- D(a,b)=0
- D(a,b)<0
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