CUET Mathematics - Match List-I with List-II | List-I | List-II | |---|---| | (A) The vectors + j + 2k and i + + k are perpendicular if λ is equal to | (I) 1 | | (B) The vectors 3i + 6j - k and 2i + 4j - are collinear if λ is equal to | (II) -1 | | (C) The number of vectors of unit-length which are perpendicular to both the vectors a = i + j + 2k and b = 3i - j + 5k is | (III) 2/3 | | (D) If \|a\| = 1 and a +b = 0, then \|b\| is equal to | (IV) 2 | Choose the correct answer from the options given below: | PYQs + Solutions | AfterBoards