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If a line has the direction ratios 4, -12, 18, then its direction cosines are

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in Geometry by (123k points)
If a line has the direction ratios 4, -12, 18, then its direction cosines are
A. `(2)/(11), (6)/(11), (-9)/(11)`
B. `(2)/(11), (-3)/(11), (9)/(11)`
C. `(2)/(22), (-6)/(22), (9)/(22)`
D. `(2)/(11), (-6)/(11), (9)/(11)`
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by (122k points)
Correct Answer - D
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