Question

अंडर क्यू 4.2
$\sqrt[3]{4.2}$
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Answer 1

Answer:

[tex] \mathfrak{Let’s \: try \: some \: Fraktur \: Math - 21st \:

Century!} [/tex]

Answer 2

Step-by-step explanation:

$\sqrt[3]{4.2}$

Convert the decimal into a fraction

$\sqrt[3]{ \frac{21}{5} }$

To take a root of a fraction take the root of the numerator and denominator separately

$\frac{ \sqrt[3]{21} }{ \sqrt[3]{5} }$

Rationalize the denominator

$\frac{ \sqrt[3]{21 \times 25} }{5}$

Evaluate the power

$\frac{ \sqrt[3]{21 \times 5} }{5}$

$\frac{ \sqrt[3]{525} }{5}$

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