Simplify : $\bigg[ 3 \sqrt{x^4 y } \times \large\frac{1}{\sqrt [4] {x^2y^8}}\bigg]^{-6}$

Question

$\begin{array}{1 1} \large\frac{y}{x} \\ \large\frac{x}{y} \\ \large\frac{y^{10}}{x^5} \\\large \frac{y^5}{x^{10}} \end{array} $