Question

Find the cube roots of rational numbers:-686/-2662.​

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

$\sqrt[3]{ \frac{ - 686}{ - 2662} } \\ \sqrt[3]{ \frac{686}{2662} } \\ = \sqrt[3]{ \frac{2 \times 343}{2 \times 1331} } \\ = \sqrt[3]{ \frac{343}{1331} } \\ = \sqrt[3]{ \frac{ {7}^{3} }{ {11}^{3} } } \\ = \frac{7}{11} .$

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