$$-\sqrt[4]{2}$$  

$$23\sqrt[4]{2}$$  

$$29\sqrt[4]{2}$$  

$$13\sqrt[4]{2}$$  

$$-6x^3\ \sqrt[]{2x}$$  

$$6x^2\ \sqrt[3]{2x}$$  

$$-2x^2\ \sqrt[3]{9x}$$  

$$6x^3\ \sqrt[]{2x}$$  

$$\frac{1}{9}$$  

$$\frac{1}{3}$$  

$$3$$  

9

$$44\ +\ 18\ \sqrt[]{7}$$  

$$22\ +\ 9\ \sqrt[]{7}$$  

$$\frac{9\ +\ 5\sqrt[]{49}}{2}$$  

$$\frac{9\ +\ 18\ \sqrt[]{7}}{2}$$