the max and min directional derivative and their directions; (4) the parametric equation of the tangent plane and the normal line to the surface at (1,1,2)

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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Q3: For the surface f(x, y, z)= In (xyz), find:
(3) the max.
and min directional
derivative and their
directions; (4) the parametric equation of the tangent plane and the normal line to the surface at (1,1,2).
Transcribed Image Text:Q3: For the surface f(x, y, z)= In (xyz), find: (3) the max. and min directional derivative and their directions; (4) the parametric equation of the tangent plane and the normal line to the surface at (1,1,2).
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