\nthroot{5}{3^{4}} \cdot \nthroot{8}{3^{4}}

\nthroot{10}{3^{6}} \cdot \nthroot{6}{3^{2}}

\nthroot{12}{x^{4}} \cdot \nthroot{8}{x^{6}}

\nthroot{20}{3^{7}} \cdot \nthroot{7}{3^{6}}

\nthroot{13}{3^{9}} \cdot \nthroot{8}{3^{9}}

\nthroot{20}{x^{2}} \cdot \nthroot{3}{x^{5}}

\nthroot{14}{7^{9}} \cdot \nthroot{8}{7^{7}}

\nthroot{5}{3^{7}} \cdot \nthroot{5}{3^{10}}

\nthroot{7}{x^{6}} \cdot \nthroot{8}{x^{4}}

\nthroot{19}{3^{6}} \cdot \nthroot{8}{3^{10}}

\nthroot{16}{7^{6}} \cdot \nthroot{3}{7^{4}}

\nthroot{8}{7^{2}} \cdot \nthroot{7}{7^{3}}

\nthroot{20}{3^{3}} \cdot \nthroot{5}{3^{9}}

\nthroot{10}{7^{3}} \cdot \nthroot{8}{7^{5}}

\nthroot{20}{7^{10}} \cdot \nthroot{8}{7^{7}}

\nthroot{4}{x^{5}} \cdot \nthroot{4}{x^{2}}

\nthroot{12}{x^{6}} \cdot \nthroot{9}{x^{7}}

\nthroot{13}{3^{6}} \cdot \nthroot{3}{3^{2}}

\nthroot{7}{3^{9}} \cdot \nthroot{8}{3^{2}}

\nthroot{7}{x^{4}} \cdot \nthroot{6}{x^{2}}

\nthroot{19}{3^{9}} \cdot \nthroot{8}{3^{6}}

\nthroot{17}{7^{9}} \cdot \nthroot{8}{7^{10}}

\nthroot{12}{3^{8}} \cdot \nthroot{5}{3^{7}}

\nthroot{4}{x^{3}} \cdot \nthroot{8}{x^{4}}