Test Index

UPSC NDA I 2023 Mathematics Solved Paper

Consider the following for the next two (02) items that follow :
Consider two lines whose direction ratios are (2,−1,2) and (k,3,5). They are inclined at an angle ‌

[NDA I 2023]

Question : 64

Total: 120

What are the direction ratios of a line which is perpendicular to both the lines?

[NDA I 2023]

(1,2,10)
(−1,−2,10)
(11,12,−10)
(11,2,−10)

Validate

Go to Question:

Prev Question

Next Question