е) $$\frac{2 - 3\sqrt{2}}{4\sqrt{2}} = \frac{(2 - 3\sqrt{2}) \cdot \sqrt{2}}{4\sqrt{2} \cdot \sqrt{2}} = \frac{2\sqrt{2} - 3 \cdot 2}{4 \cdot 2} = \frac{2\sqrt{2} - 6}{8} = \frac{\sqrt{2} - 3}{4}$$
Ответ: $$\frac{\sqrt{2} - 3}{4}$$