In Exercises 8188, for find all values of and such that and simultaneouslyfx, y lnx2 y 2
Chapter 13, Problem 88(choose chapter or problem)
In Exercises 81–88, for f(x, y), find all values of x and y such \(f_{x}(x, y)=0\) and \(f_{y}(x, y)=0\) simultaneously.
\(f(x, y)=\ln \left(x^{2}+y^{2}+1\right)\)
Text Transcription:
f_x(x, y)=0
f_y(x, y)=0
f(x,y)=(x^2+y^2+1)
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