\frac{\nthroot{15}{7^{9}}}{ \nthroot{9}{7^{10}} }

\frac{\nthroot{17}{7^{7}}}{ \nthroot{4}{7^{3}} }

\frac{\nthroot{4}{x^{6}}}{ \nthroot{10}{x^{9}} }

\frac{\nthroot{13}{x^{10}}}{ \nthroot{3}{x^{8}} }

\frac{\nthroot{11}{x^{6}}}{ \nthroot{9}{x^{6}} }

\frac{\nthroot{11}{7^{9}}}{ \nthroot{10}{7^{7}} }

\frac{\nthroot{11}{x^{6}}}{ \nthroot{10}{x^{5}} }

\frac{\nthroot{20}{7^{6}}}{ \nthroot{4}{7^{7}} }

\frac{\nthroot{5}{x^{6}}}{ \nthroot{5}{x^{4}} }

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

\frac{\nthroot{18}{3^{9}}}{ \nthroot{6}{3^{7}} }

\frac{\nthroot{11}{7^{2}}}{ \nthroot{11}{7^{10}} }

\frac{\nthroot{10}{x^{3}}}{ \nthroot{7}{x^{3}} }

\frac{\nthroot{14}{3^{10}}}{ \nthroot{9}{3^{2}} }

\frac{\nthroot{12}{x^{10}}}{ \nthroot{6}{x^{3}} }

\frac{\nthroot{11}{3^{5}}}{ \nthroot{3}{3^{10}} }

\frac{\nthroot{17}{3^{2}}}{ \nthroot{9}{3^{5}} }

\frac{\nthroot{10}{7^{3}}}{ \nthroot{9}{7^{2}} }

\frac{\nthroot{7}{7^{10}}}{ \nthroot{9}{7^{6}} }

\frac{\nthroot{11}{7^{7}}}{ \nthroot{3}{7^{5}} }

\frac{\nthroot{9}{7^{4}}}{ \nthroot{3}{7^{8}} }

\frac{\nthroot{6}{7^{10}}}{ \nthroot{11}{7^{10}} }

\frac{\nthroot{3}{x^{9}}}{ \nthroot{10}{x^{7}} }

\frac{\nthroot{17}{7^{5}}}{ \nthroot{9}{7^{4}} }