(a,b,c) and meets the uses at A,B and C. Show that the locus of the point of intersection of the planes through A,B  and C parallel to the coordinate planes is                             (ax^-1)+(by^-1)+(cz^-1)=1   where a,b,c are alpha,beta and gamma

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter3: Functions And Graphs
Section3.3: Lines
Problem 7E
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A variable plane pes through a fixed point (a,b,c) and meets the uses at A,B and C. Show that the locus of the point of intersection of the planes through A,B  and C parallel to the coordinate planes is

                            (ax^-1)+(by^-1)+(cz^-1)=1

 

where a,b,c are alpha,beta and gamma

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