| Exam Board | CAIE |
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| Module | P1 (Pure Mathematics 1) |
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| Year | 2015 |
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| Session | June |
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| Topic | Vectors 3D & Lines |
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4 Relative to the origin \(O\), the position vectors of points \(A\) and \(B\) are given by
$$\overrightarrow { O A } = \left( \begin{array} { r }
3
0
- 4
\end{array} \right) \quad \text { and } \quad \overrightarrow { O B } = \left( \begin{array} { r }