a) Show that the shortest distance between the point (a, b, c) and the plane Ax + By + Cz + D = 0 is aA+bB+cC +D A² + B² + C² b) Find the shortest distance between (1,2, -3) and the plane 2x – 3y+ 6z = 20.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 31E
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Using the theory of maxima and minima for functions
of more than one variable, answer.
a) Show that the shortest distance between the point
(a, b, c) and the plane Ax + By + Cz + D = 0 is
aA + bB+ cC +D
VA? + B² + C²
b) Find the shortest distance between (1,2, -3) and the
plane 2x – 3y + 6z = 20.
Transcribed Image Text:Using the theory of maxima and minima for functions of more than one variable, answer. a) Show that the shortest distance between the point (a, b, c) and the plane Ax + By + Cz + D = 0 is aA + bB+ cC +D VA? + B² + C² b) Find the shortest distance between (1,2, -3) and the plane 2x – 3y + 6z = 20.
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