Show that x 2 + y 2 + z 2 + 4x 6y + 2z+ 6

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Show that x2 + y2 + z2 + 4x – 6y + 2z+ 6 = 0 is the equation of a sphere, and find its center and radius.

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Calculus

ISBN: 9780495011606

6th Edition

Authors: James Stewart

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