Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.2: Ellipses
Problem 25E
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Find the center and radius of the sphere.
x2 + y2 + z2 + 4y − 14z − 28 = 0
center
radius
(x, y, z)
=
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