Question

Calcule o valor de:
a) (128¹/7+81¹/4)¹/²

Answer 1

$( \sqrt[7]{128} + \sqrt[4]{81} ) ^{ \frac{1}{2} } =$

$( \sqrt[7]{ 2^{7} } + \sqrt[4]{ 3^{4} } ) ^{ \frac{1}{2} } =$

$(2+3) ^{ \frac{1}{2} } =$

$(5) ^{ \frac{1}{2} }= \sqrt{5}$