\nthroot{6}{\frac{x^{42}}{2^{12}}}

\nthroot{9}{\frac{x^{81}}{y^{81}}}

\sqrt{\frac{x^{20}}{5^{12}}}

\nthroot{8}{\frac{3^{56}}{5^{40}}}

\nthroot{3}{\frac{x^{27}}{2^{18}}}

\nthroot{3}{\frac{x^{27}}{2^{24}}}

\nthroot{7}{\frac{x^{56}}{2^{42}}}

\nthroot{9}{\frac{7^{45}}{2^{72}}}

\nthroot{5}{\frac{7^{35}}{5^{35}}}

\sqrt{\frac{3^{14}}{5^{6}}}

\sqrt{\frac{7^{12}}{2^{18}}}

\nthroot{6}{\frac{7^{48}}{5^{36}}}

\nthroot{5}{\frac{x^{45}}{y^{45}}}

\nthroot{8}{\frac{3^{56}}{5^{72}}}

\nthroot{6}{\frac{7^{60}}{5^{12}}}

\nthroot{6}{\frac{x^{12}}{2^{36}}}

\nthroot{6}{\frac{3^{54}}{5^{18}}}

\nthroot{9}{\frac{x^{72}}{5^{27}}}

\nthroot{3}{\frac{x^{21}}{y^{27}}}

\nthroot{4}{\frac{x^{32}}{5^{12}}}

\nthroot{6}{\frac{x^{36}}{y^{18}}}

\sqrt{\frac{7^{4}}{5^{18}}}

\nthroot{5}{\frac{7^{5}}{2^{35}}}

\sqrt{\frac{7^{10}}{5^{6}}}