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+1 vote
23.1k views
in Vector algebra by (54.9k points)

If the shortest distance between lines vector r = i + 2j + 3k + λ1(2i + 3j + 4k) and vector r = 2i + 4j + 5k + λ2(3i + 4j + 5k) is x, then cos-1cos6x is equal to

(A) 1/2

(B) 0

(C) 1

(D) π

1 Answer

+1 vote
by (52.6k points)
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Best answer

Answer is (C) 1

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