| Exam Board | AQA |
|---|
| Module | Further AS Paper 1 (Further AS Paper 1) |
|---|
| Year | 2021 |
|---|
| Session | June |
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| Topic | Vectors 3D & Lines |
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5 Show that the vectors \(\left[ \begin{array} { c } 1
- 3
5 \end{array} \right]\) and \(\left[ \begin{array} { l } 7
4
1 \end{array} \right]\) are perpendicular.