Question

2. Determine a raiz culica de:
$\sqrt{125}$
$\sqrt[3]{216}$
$\sqrt[3]{729}$
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Answer 1

Explicação passo-a-passo:

$\sqrt{125}$

$\sqrt{5 {}^{3} }$

$\sqrt{5 {}^{2 + 1} }$

$\sqrt{5 {}^{2} \times 5 {}^{1} }$

$\sqrt{5 {}^{2} \times 5 }$

$\sqrt{5 {}^{2} } \sqrt{5}$

=>5√5

__________

$\sqrt[3]{216}$

$\sqrt[3]{6 {}^{3} }$

=>6

__________

$\sqrt[3]{729}$

$\sqrt[3]{9 {}^{3} }$

=>9