If must ƒ have a local maximum or minimum value at (a, b)?
Chapter 13, Problem 47E(choose chapter or problem)
If \(f_{x}(a, b)=f_{y}(a, b)=0\), must \(f\) have a local maximum or minimum value at \((a,b)\)? Give reasons for your answer.
Equation Transcription:
Text Transcription:
f_x(a,b)=f_y(a,b)=0
f
(a,b)
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