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Question 74

In triangle ABCABCABC, AB⃗=7i+2j−4k\vec{AB} = 7\mathbf{i} + 2\mathbf{j} - 4\mathbf{k}AB=7i+2j−4k, AC⃗=−i+8j+5k\vec{AC} = -\mathbf{i} + 8\mathbf{j} + 5\mathbf{k}AC=−i+8j+5k

a.

Find the vector BC→\overrightarrow{BC}BC

[3]
b.

Find the length of the line ABABAB

[2]
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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