\nthroot{3}{\frac{x^{3}}{5^{15}}}

\nthroot{5}{\frac{x^{20}}{2^{25}}}

\nthroot{7}{\frac{3^{28}}{5^{28}}}

\nthroot{10}{\frac{x^{70}}{2^{90}}}

\nthroot{6}{\frac{7^{30}}{2^{60}}}

\nthroot{5}{\frac{x^{40}}{5^{45}}}

\nthroot{5}{\frac{x^{20}}{2^{10}}}

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

\nthroot{3}{\frac{x^{21}}{y^{15}}}

\nthroot{5}{\frac{7^{25}}{2^{25}}}

\nthroot{4}{\frac{x^{32}}{2^{20}}}

\nthroot{8}{\frac{x^{40}}{y^{64}}}

\nthroot{8}{\frac{7^{8}}{5^{16}}}

\nthroot{6}{\frac{3^{30}}{2^{48}}}

\nthroot{9}{\frac{x^{45}}{5^{36}}}

\sqrt{\frac{x^{14}}{2^{10}}}

\nthroot{5}{\frac{7^{35}}{2^{40}}}

\nthroot{8}{\frac{3^{56}}{2^{32}}}

\nthroot{10}{\frac{7^{20}}{y^{40}}}

\nthroot{10}{\frac{3^{50}}{2^{50}}}

\nthroot{10}{\frac{3^{60}}{2^{40}}}

\nthroot{3}{\frac{x^{9}}{2^{15}}}

\nthroot{5}{\frac{7^{5}}{2^{25}}}

\nthroot{3}{\frac{x^{24}}{2^{18}}}