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Vectors

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Question 198

In triangle ABCABCABC, AB⃗=4i+2j\vec{AB} = 4\mathbf{i} + 2\mathbf{j}AB=4i+2j, AC⃗=9i−3j\vec{AC} = 9\mathbf{i} - 3\mathbf{j}AC=9i−3j

a.

Show that BC⃗=5i−5j\vec{BC} = 5\mathbf{i} - 5\mathbf{j}BC=5i−5j

[2]
b.

Show that the length AB AB\,AB is 252\sqrt{5}25​

[2]
Markscheme

Vectors Questions

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

284 exam-style questions on Edexcel A Level Maths Vectors, covering 11.1 Vectors, 11.2 Representing Vectors, 11.3 Magnitude and Direction, 11.4 Position Vectors, 11.5 Solving Geometric Problems, and 11.6 Modelling with Vectors. Each one has a worked solution and a mark scheme showing where the marks go.

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