Question

$\sqrt[3]{27 \: .64} = \sqrt[3]{27 \: } . \: \sqrt[3]{64}$
calcule​

Answer 1

$\sqrt[3]{27 \: .64} = \sqrt[3]{27 \: } . \: \sqrt[3]{64} \\ \sqrt[3]{1728} = \sqrt[3]{27} \sqrt[3]{64} \\ 12 = \sqrt[3]{27} \sqrt[3]{64} \\ 12 = 3 \sqrt[3]{64} \\ 12 = 3 \times 4 \\ 12 = 12$

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