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The midpoint of the segment joining (2, 4, 6) and (4, 8, 10) has position vector
A4i + 8j + 10k
B3i + 6j + 8k
C6i + 12j + 16k
D2i + 4j + 4k
Answer & Solution
Correct answer: B. 3i + 6j + 8k
The midpoint is the average of the endpoints, (3, 6, 8).
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