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Find the distance between the points (2, 3, 5) and (4, 3, 1).
A2 root 5
B4 root 5
C2 root 3
D3 root 6
Answer & Solution
Correct answer: A. 2 root 5
The squared differences are 4 + 0 + 16 = 20, so the distance is root 20 = 2 root 5.
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