Question

Simplifique o radical:
$\sqrt[18]{81}$

Answer 1

Olá!
 
  
    $\sqrt[18]{81} = 81^{\frac{1}{18}} = (3^4)^{\frac{1}{18}} = 3^{\frac{4}{18}} = 3^{\frac{2}{9}}= \sqrt[9]{3^2} = \sqrt[9]{9}.$



Bons estudos!