a) The plane A contains the points P(-5,5,6), Q(3,5,4) and R(-1,-3,5). Find the normal form of the equation which describes it. b) Find the unit vector in the direction of the vector which is normal to the plane A

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter10: Analytic Geometry
Section10.6: The Three-dimensional Coordinate System
Problem 9E
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a) The plane A contains the points P(-5,5,6), Q(3,5,4) and R(-1,-3,5). Find the normal form of the equation which describes it.

b) Find the unit vector in the direction of the vector which is normal to the plane A.

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