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# Tangent plane and normal line to a given surface

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Find an equation for the tangent plane and parametric equations for the normal line to the surface at the point P: z = x e^(-y) ; P(1,0,1) .

© BrainMass Inc. brainmass.com October 9, 2019, 7:39 pm ad1c9bdddf
https://brainmass.com/math/geometry-and-topology/tangent-plane-normal-line-given-surface-125206

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Find an equation for the tangent plane and parametric ...

#### Solution Summary

This is a classic problem encountered in coordinate geometry. I have shown how to solve this problem using clearly written steps.

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