Applicare la formula: $\frac{a^n}{a}$$=a^{\left(n-1\right)}$, dove $a^n/a=\frac{\sqrt[7]{x}\sqrt[7]{y^{5}}}{4xy}$, $a^n=\sqrt[7]{x}$, $a=x$ e $n=\frac{1}{7}$

Applicare la formula: $\frac{a^n}{a}$$=a^{\left(n-1\right)}$, dove $a^n/a=\frac{x^{-\frac{6}{7}}\sqrt[7]{y^{5}}}{4y}$, $a^n=\sqrt[7]{y^{5}}$, $a=y$ e $n=\frac{5}{7}$

Applicare la formula: $\frac{x^a}{b}$$=\frac{1}{bx^{-a}}$, dove $a=-\frac{6}{7}$ e $b=4$

Applicare la formula: $\frac{x^a}{b}$$=\frac{1}{bx^{-a}}$, dove $a=-\frac{2}{7}$, $b=4\sqrt[7]{x^{6}}$ e $x=y$