Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 13 - Vector Geometry - 13.5 Planes in 3-Space - Preliminary Questions - Page 684: 2

Answer

$ z=1$

Work Step by Step

Since $ k $ is the unit vector in the direction of the $ z $-axis, then it is normal to the plane $ z=1$, which is parallel to the $ xy-$ plane.
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