Question 2 - A-Level Maths

Simplify the following expressions fully.
1. \(\left( \frac { 1 } { 9 } x ^ { 4 } \right) ^ { 0.5 }\)
2. \(\left( \frac { x } { \sqrt { 2 } } \right) ^ { - 2 }\)
3. \(x \sqrt { 3 } \div \sqrt { \frac { 48 } { x ^ { 4 } } }\)