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Vectors

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Question 49

Given that the point A A\,A has position vector −5i+kj−3k-5\mathbf{i} + k\mathbf{j} - 3\mathbf{k}−5i+kj−3k and the point B B\,B has position vector −8i+2j−k-8\mathbf{i} + 2\mathbf{j} - \mathbf{k}−8i+2j−k, where k k\,k is a constant

a.

Find the vector AB⃗\vec{AB}AB in terms of kkk

[3]
b.

Find ∣AB⃗∣|\vec{AB}|∣AB∣ in terms of kkk

[3]
Markscheme

Vectors Questions

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

309 exam-style questions on Edexcel A Level Maths Vectors, covering 12.1 3D Coordinates, 12.2 Vectors in 3D, 12.3 Solving Geometric Problems, and 12.4 Application to Mechanics. Each one has a worked solution and a mark scheme showing where the marks go.

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