UPSC NDA Math Model Paper 1

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Question : 25 of 120

Marks: +1, -0

If a line has the direction ratios (2, -3, 4) then its direction cosines are

(
2
√25
,
−3
√25
,
4
√25
)
(
2
√29
,
3
√29
,
4
√29
)
(
2
√29
,
−3
√29
,
4
√29
)
None of the above

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