Find an equation for the tangent plane to x? + y – 8xy + 4x – 5y – 9z = 765 at the point (-9, 9, –4). = 0. Find equations for the normal line to the surface through that point. x(t) = y(t) = z(t) =

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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Find an equation for the tangent plane to x? + y – 8xy + 4x – 5y – 9z = 765 at the
point (-9, 9, –4).
= 0.
Find equations for the normal line to the surface through that point.
x(t) =
y(t) =
z(t) =
Transcribed Image Text:Find an equation for the tangent plane to x? + y – 8xy + 4x – 5y – 9z = 765 at the point (-9, 9, –4). = 0. Find equations for the normal line to the surface through that point. x(t) = y(t) = z(t) =
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