Consider the points P such that the distance from P to A(-1, 5, 3) is twice the
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Consider the points P such that the distance from P to A(-1, 5, 3) is twice the distance from P to B(6, 2, -2). Show that the set of all such points is a sphere, and find its center and radius.
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Let P x y z Then 2PB PA 4PB PA 4 x 6 y 2 z 2 x 1 y 5 z 3 4x ...View the full answer
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