Consider two lines l_1 and l_2 with cartesian equations x 2 = 1-y -2 = z 1 and 2x-5 16 = y-2 -1 = z-5 4 respectively. Which of the following is/are…
CUET UG 2025 — Mathematics Geometry
Consider two lines l1 and l2 with cartesian equations 2x=−21−y=1z and 162x−5=−1y−2=4z−5 respectively. Which of the following is/are true?
(A) Direction ratio of l1 are 2, 2, 1
(B) Direction cosines of l1 are 32,3−2,31
(C) Direction ratio of l2 are 16, -1, 4
(D) Angle between l1 and l2 is cos−1(327338)
Choose the correct answer from the options given below:
Held on 13 May 2025 · Verified 13 Jul 2026.
Options
- A
(B), (C) and (D) only
- B
(A) and (B) only
- C
(C) and (D) only
- D
(A) only
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