| Exam Board | OCR |
| Module | C1 (Core Mathematics 1) |
| Topic | Indices and Surds |
4. (i) Evaluate
$$\left( 36 ^ { \frac { 1 } { 2 } } + 16 ^ { \frac { 1 } { 4 } } \right) ^ { \frac { 1 } { 3 } }$$
(ii) Solve the equation
$$3 x ^ { - \frac { 1 } { 2 } } - 4 = 0 .$$