Find the equations of planes that just touch the sphere (x−5)^2+(y−3)^2+(z−1)^2=9 and are parallel to (a) The xy-plane: _____ and _____   (b) The yz-plane: _____ and _____     (c) The xz-plane: _____ and _____

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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Find the equations of planes that just touch the sphere (x−5)^2+(y−3)^2+(z−1)^2=9 and are parallel to
(a) The xy-plane: _____ and _____

 

(b) The yz-plane: _____ and _____
 
 

(c) The xz-plane: _____ and _____
Expert Solution
Step 1

Solution 

Given (x−5)^2+(y−3)^2+(z−1)^2=9

(a)  Parallel to the  xy-plane:

  ( z-1)2= 9

  z - 1= | 3 |

z = 3+1  or z= -3+1

z = 4 or   z = -2

 

 
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