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Answer:
(b) 2.45
Explanation:
That distance is the magnitude of the vector between the two points:
∆ = y -x = (2 -3, 3 -2, 3 -5) = (-1, 1, -2)
Then the distance you want is ...
|∆| = √((-1)² +1² +(-2)²) = √(1+1+4) = √6 ≈ 2.45
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