Question

racionalização
$\sqrt[4]{64?}$
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Answer 1

$\sqrt[4]{64} \\ = \sqrt[4]{2 {}^{4} \times 4} \\ = \sqrt[4]{2{}^{4} } \times \sqrt[4]{4} \\ = 2 \sqrt[4]{4} \\ = 2 \sqrt[4]{2 {}^{2} } \\ = 2 \sqrt{2}$