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The plane which bisects the line segment joining the points (–3, –3, 4) and (3, 7, 6) at right angles, passes through which one of the following points ?

1. (2, 1, 3)
2. (4, –1, 2)
3. (4, 1, – 2)
4. (– 2, 3, 5)

Correct answer: (4, 1, – 2)

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