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Shortest distance between r = i + j + λ(2i - j + k) and r = 2i + j - k + μ(3i - 5j + 2k):
A√59/10
B3/√59
C10/59
D10/√59
Answer & Solution
Correct answer: D. 10/√59
Here b1 x b2 = 3i - j - 7k with length √59, and its dot product with i - k is 10.
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