Solution: Horizontal Tangent Plane In Exercises 4146, find the point(s) on the surface
Chapter 13, Problem 46(choose chapter or problem)
In Exercises 41 - 46, find the point(s) on the surface at which the tangent plane is horizontal.
\(z=x y+\frac{1}{x}+\frac{1}{y}\)
Text Transcription:
z = xy + 1 / x + 1 / y
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