Question: Let P be the point (2, 3, - 2) and O the point (7, - 4, 1). (a) Find the midpoint of the line segment

Let P be the point (2, 3, - 2) and O the point (7, - 4, 1).
(a) Find the midpoint of the line segment connecting P and Q.
(b) Find the point on the line segment connecting P and Q that is 3/4 of the way from P to Q.

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