Question

Verdadeiro ou falso?
$\sqrt{ \sqrt{a } } = 2 \sqrt{a}$
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Answer 1

Resposta:

falso

Explicação passo-a-passo:

$\sqrt{\sqrt{a}}=\\\\\left(a^{\frac{1}{2}}\right)^{\frac{1}{2}}=\\\a^{\frac{1}{2}\cdot \frac{1}{2}}=\\\\a^{\frac{1}{2}\cdot \frac{1}{2}}=$

$a^{\frac{1}{2}\cdot \frac{1}{2}}=\\\\a^{\frac{1}{4}}=\\=\sqrt[4]{a}$