CUET Mathematics - Which of the following statements are true? (A) The vector joining the points P(2, 3, 0) and Q(-1,-2,-4) directed from P to Q is PQ = -3i - 5j - 4k (B) Projection of a vector a on other vector b is a.b|a| (C) If a = i - 2j + k and b = -2i + 4j + 5k then a + b = -i + 2j + 6k (D) If is the angle between a and b then = a.b|a||b| Choose the correct answer from the options given below: | PYQs + Solutions | AfterBoards