Respuesta :

[tex]\bf a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} \qquad \qquad \sqrt[ m]{a^ n}\implies a^{\frac{ n}{ m}}\\\\ -------------------------------\\\\ 6^{\frac{1}{4}}\implies \sqrt[4]{6^1}\implies \sqrt[4]{6}[/tex]

it is 4^root6

i got it right on usatestprep