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1.11 Vectors

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Question 36

Relative to a fixed origin OOO, the point A A\,A has position vector (5i+2j−3k)(5\mathbf{i} + 2\mathbf{j} - 3\mathbf{k})(5i+2j−3k), the point B B\,B has position vector (8i+3j−6k)(8\mathbf{i} + 3\mathbf{j} - 6\mathbf{k})(8i+3j−6k), and the point C C\,C has position vector (−6i−2j+6k)(-6\mathbf{i} - 2\mathbf{j} + 6\mathbf{k})(−6i−2j+6k).

a.

Find AB⃗\vec{AB}AB

[2]
b.

Show that the quadrilateral OABC OABC\,OABC is a trapezium, giving reasons for your answer.

[2]
Markscheme

1.11 Vectors Questions

  1. A Level
  2. /Maths
  3. /1.11 Vectors

168 exam-style questions on OCR (MEI) A Level Maths 1.11 Vectors, covering 1.11.1 Language of vectors in two dimensions, 1.11.2 Add, subtract and scale vectors, 1.11.3 Magnitude and direction of a vector, 1.11.4 Position vectors, 1.11.5 Distance between points by position vectors, 1.11.6 Vectors to solve problems, 1.11.7 Language of vectors in three dimensions (A-level only), and 1.11 Vectors. Each one has a worked solution and a mark scheme showing where the marks go.

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