Edexcel Mathematics October 2020 · Paper 1 · Question 3 · ExamRizz

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October 2020 · Paper 1 · Question 3 · 4 marks

3. Relative to a fixed origin O ● point A has position vector 2i + 5j − 6 k ● point B has position vector 3i − 3 j − 4 k ● point C has position vector 2i − 16j + 4k (a) Find AB→ (2) (b) Show that quadrila teral OABC is a trapezium, giving reasons for your answer. (2) 7

Lesson: Vectors in 2D and 3D