Find all points on the surface at which the tangent planeis horizontal.(a) z = x3y2(b) z

Chapter 13, Problem 13

(choose chapter or problem)

Find all points on the surface at which the tangent plane is horizontal.

(a) \(z=x^{3} y^{2}\)

(b) \(z=x^{2}-x y+y^{2}-2 x+4 y\)

Equation Transcription:

Text Transcription:

z=x^3 y^2

z=x^2 -xy+ y^2 -2x +4y

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