| Exam Board | OCR |
|---|
| Module | C1 (Core Mathematics 1) |
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| Year | 2006 |
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| Session | June |
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| Topic | Indices and Surds |
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2
- Evaluate \(27 ^ { - \frac { 2 } { 3 } }\).
- Express \(5 \sqrt { 5 }\) in the form \(5 ^ { n }\).
- Express \(\frac { 1 - \sqrt { 5 } } { 3 + \sqrt { 5 } }\) in the form \(a + b \sqrt { 5 }\).