Question

fatora as raizes
$\sqrt[4]{81}$
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Answer 1

Explicação passo-a-passo:

$= \sqrt[4]{81}$

Lembra que:

$81 = 3 \times 3 \times 3 \times 3 = {3}^{4}$

Assim :

$= \sqrt[4]{ {3}^{4} }$

$= ( {3})^{ \frac{4}{4} }$

$= {3}^{1}$

$= 3$