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Which point lies on the line through (1, 2, 3) with direction (3, 1, -4)?
A(7, 4, -5)
B(4, 3, 1)
C(7, 4, 5)
D(7, 4, -1)
Answer & Solution
Correct answer: A. (7, 4, -5)
Taking λ = 2 gives 1 + 6, 2 + 2, 3 - 8, which is (7, 4, -5).
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