The following expressions should be simplified to their simplest form:

$$
\frac{\sqrt[4]{4}}{\sqrt[6]{8}}, \quad \sqrt[n-1]{\frac{a}{\sqrt[n]{a}}}
$$
$$
\begin{aligned}
& \frac{\sqrt[4]{4}}{\sqrt[6]{8}}=\frac{\sqrt[4]{2^{2}}}{\sqrt[6]{2^{3}}}=\frac{\sqrt{2}}{\sqrt{2}}=1
\end{aligned}
$$

![](https://cdn.mathpix.com/cropped/2024_05_02_00c9c65894e2ccfb1e8cg-1.jpg?height=132&width=485&top_left_y=281&top_left_x=820)

(Riesz Marcel, Gyôr.)