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Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.3: Lines

Problem 21E

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Question

(a) Find an equation of the tangent plane to the surface at the given point.
x + y + z = 14, (5, 5, 4)
(b) Find a set of symmetric equations for the normal line to the surface at the given point.
O x - 5 - Y – 5 _ z - 4
5
4
O 5x = 5y
O x - 5 - Y - 5
= 4z
Z - 4
4
Ox - 5 = y - 5 = z - 4

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