Que vaut \displaystyle{\frac{a^{\frac{2}{3}}\cdot a^{-\frac{1}{4}}}{a^{\frac{5}{4}}\cdot a^{-\frac{1}{6}}}} ?

Question

Que vaut   \displaystyle{\frac{a^{\frac{2}{3}}\cdot a^{-\frac{1}{4}}}{a^{\frac{5}{4}}\cdot a^{-\frac{1}{6}}}}  ?

Answer

\displaystyle{\sqrt[2]{a^3}}

Answer

\displaystyle{\frac{1}{\sqrt[2]{a^3}}}

Answer

\displaystyle{\frac{1}{\sqrt[3]{a^2}}}

Answer

\displaystyle{\frac{1}{\sqrt[6]{a}}}

Answer

\displaystyle{\sqrt[6]{a}}

Answer

\displaystyle{\sqrt[3]{a^2}}

Answer

Aucun des autres choix n'est correct

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