| Exam Board | AQA |
|---|
| Module | C1 (Core Mathematics 1) |
|---|
| Year | 2006 |
|---|
| Session | June |
|---|
| Topic | Indices and Surds |
|---|
4
- Express \(( 4 \sqrt { 5 } - 1 ) ( \sqrt { 5 } + 3 )\) in the form \(p + q \sqrt { 5 }\), where \(p\) and \(q\) are integers.
- Show that \(\frac { \sqrt { 75 } - \sqrt { 27 } } { \sqrt { 3 } }\) is an integer and find its value.