consider the surface xyz=60. Find the unit normal vector to the surface at the point (4,3,5) with positive first coordinate. Find the equation of the tangent plane at the given point. Express your answer in the form ax+by+cz+d=0, normalize so that a=15.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 18T
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consider the surface xyz=60.
Find the unit normal vector to the surface at the point (4,3,5) with positive first coordinate.
Find the equation of the tangent plane at the given point. Express your answer in the form ax+by+cz+d=0, normalize so that a=15.

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