| Exam Board | OCR MEI |
|---|
| Module | C1 (Core Mathematics 1) |
|---|
| Topic | Indices and Surds |
|---|
4
- Express \(125 \sqrt { 5 }\) in the form \(5 ^ { k }\).
- Simplify \(10 + 7 \sqrt { 5 } + \frac { 38 } { 1 - 2 \sqrt { 5 } }\), giving your answer in the form \(a + b \sqrt { 5 }\).