Three Dimensional Geometry Part 4
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Question : 6 of 73
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Let the direction cosines of two lines satisfy the equations : 4 l + m − n = 0 2 m n + 10 n l + 3 l m = 0
Then the cosine of the acute angle between these lines is :
Then the cosine of the acute angle between these lines is :
[23 Jan 2026 Shift 1]
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