\frac{\nthroot{19}{7^{8}}}{ \nthroot{3}{7^{4}} }

\frac{\nthroot{6}{7^{9}}}{ \nthroot{5}{7^{6}} }

\frac{\nthroot{4}{x^{10}}}{ \nthroot{9}{x^{8}} }

\frac{\nthroot{14}{7^{2}}}{ \nthroot{9}{7^{2}} }

\frac{\nthroot{19}{3^{7}}}{ \nthroot{3}{3^{6}} }

\frac{\nthroot{19}{x^{2}}}{ \nthroot{7}{x^{5}} }

\frac{\nthroot{4}{7^{2}}}{ \nthroot{6}{7^{4}} }

\frac{\nthroot{4}{7^{10}}}{ \nthroot{7}{7^{4}} }

\frac{\nthroot{6}{7^{9}}}{ \nthroot{9}{7^{8}} }

\frac{\nthroot{16}{3^{5}}}{ \nthroot{7}{3^{3}} }

\frac{\nthroot{16}{3^{4}}}{ \nthroot{8}{3^{4}} }

\frac{\nthroot{8}{x^{9}}}{ \nthroot{4}{x^{5}} }

\frac{\nthroot{11}{7^{8}}}{ \nthroot{8}{7^{3}} }

\frac{\nthroot{6}{3^{2}}}{ \nthroot{9}{3^{7}} }

\frac{\nthroot{12}{7^{6}}}{ \nthroot{8}{7^{3}} }

\frac{\nthroot{13}{x^{6}}}{ \nthroot{10}{x^{2}} }

\frac{\nthroot{9}{3^{8}}}{ \nthroot{6}{3^{5}} }

\frac{\nthroot{7}{7^{8}}}{ \nthroot{10}{7^{9}} }

\frac{\nthroot{14}{7^{7}}}{ \nthroot{4}{7^{5}} }

\frac{\nthroot{11}{3^{9}}}{ \nthroot{3}{3^{8}} }

\frac{\nthroot{7}{x^{6}}}{ \nthroot{8}{x^{3}} }

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

\frac{\nthroot{13}{3^{8}}}{ \nthroot{4}{3^{3}} }

\frac{\nthroot{17}{x^{8}}}{ \nthroot{5}{x^{8}} }