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1.13 J: Vectors

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Question 80

The point A A\,A has position vector 3i+4j3\mathbf{i} + 4\mathbf{j}3i+4j and the point B B\,B has position vector −4i+7j-4\mathbf{i} + 7\mathbf{j}−4i+7j.

a.

Find the vector AB⃗\vec{AB}AB.

[2]
b.

Find ∣AB⃗∣\left|\vec{AB}\right|​AB​.

[2]
Markscheme

1.13 J: Vectors Questions

  1. A Level
  2. /Maths
  3. /1.13 J: Vectors

168 exam-style questions on AQA A Level Maths 1.13 J: Vectors, covering 1.13.1 Vectors in two and three dimensions, 1.13.2 Magnitude and direction of a vector, 1.13.3 Vector arithmetic, 1.13.4 Position vectors, and 1.13.5 Vectors to solve problems. Each one has a worked solution and a mark scheme showing where the marks go.

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