Solved: (a) Show that the second partials test provides no informationabout the critical

Chapter 13, Problem 28

(choose chapter or problem)

Focus on Concepts

(a) Show that the second partials test provides no information about the critical points of the function \(f(x, y)=x^{4}-y^{4}\).

(b) Classify all critical points of \(f\) as relative maxima, relative minima, or saddle points.

Equation Transcription:

Text Transcription:

f(x,y)=x^4-y^4

f

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