д) \(\frac{5 + \sqrt{10}}{\sqrt{10}} = \frac{\sqrt{10}(\frac{5}{\sqrt{10}} + 1)}{\sqrt{10}} = \frac{5}{\sqrt{10}} + 1 = \frac{5\sqrt{10}}{10} + 1 = \frac{\sqrt{10}}{2} + 1\)
Ответ: \(\frac{\sqrt{10}}{2} + 1\)