| Exam Board | OCR MEI |
|---|
| Module | C1 (Core Mathematics 1) |
|---|
| Topic | Indices and Surds |
|---|
4
- Find the value of \(144 ^ { - \frac { 1 } { 2 } }\).
- Simplify \(\frac { 1 } { 5 + \sqrt { 7 } } + \frac { 4 } { 5 - \sqrt { 7 } }\). Give your answer in the form \(\frac { a + b \sqrt { 7 } } { c }\).