| Exam Board | Edexcel |
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| Module | C1 (Core Mathematics 1) |
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| Year | 2010 |
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| Session | January |
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| Topic | Indices and Surds |
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- Expand and simplify \(( 7 + \sqrt { 5 } ) ( 3 - \sqrt { 5 } )\).
- Express \(\frac { 7 + \sqrt { 5 } } { 3 + \sqrt { 5 } }\) in the form \(a + b \sqrt { 5 }\), where \(a\) and \(b\) are integers.