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Cosines of origin to (-1, 2, -2) line:
A-1/3, 2/3, -2/3
B-1/5, 2/5, -2/5
C1/3, 2/3, 2/3
D-1/9, 2/9, -2/9
Answer & Solution
Correct answer: A. -1/3, 2/3, -2/3
The distance is the root of 1 + 4 + 4, which is 3, with the coordinate signs kept.
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