Question

Calcule o valor da expressão. A) ³√8 +⁴√81

Answer 1

$\large\boxed{\begin{array}{l}\rm\sqrt[\rm3]{\rm8}+\sqrt[\rm4]{\rm81}=\sqrt[\rm\backslash\!\!\!3]{\rm 2^{\backslash\!\!\!3}}+\sqrt[\rm\backslash\!\!\!4]{\rm3^{\backslash\!\!\!4}}\\\rm\sqrt[\rm3]{\rm8}+\sqrt[\rm4]{\rm81}=2+3\\\rm\sqrt[\rm3]{\rm8}+\sqrt[\rm4]{\rm81}=5\end{array}}$