| Exam Board | Edexcel |
| Module | C1 (Core Mathematics 1) |
| Year | 2006 |
| Session | June |
| Topic | Indices and Surds |
6. (a) Expand and simplify \(( 4 + \sqrt { 3 } ) ( 4 - \sqrt { 3 } )\).
(b) Express \(\frac { 26 } { 4 + \sqrt { 3 } }\) in the form \(a + b \sqrt { 3 }\), where \(a\) and \(b\) are integers.