The equation of a plane n ·〈x, y,z〉= d is said to be in normal form if n is a unit vector. Show that in this case, |d| is the distance from the plane to the origin. Write the equation of the plane 4x − 2y + 4z = 24 in normal form.

Algebra and Trigonometry (MindTap Course List)
4th Edition
ISBN:9781305071742
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter9: Vectors In Two And Three Dimensions
Section9.6: Equations Of Lines And Planes
Problem 2E
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The equation of a plane n ·〈x, y,z〉= d is said to be in normal form if n is a unit vector. Show that in this case, |d| is the distance from the plane to the origin. Write the equation of the plane 4x − 2y + 4z = 24 in normal form.

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