The correct option is B Prime factorising the numbers: √( 3×3×3/11×11×11)=√( 3^3/11^3) = 3/11 ...

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Cube Roots

Evaluate √-27...

Question

Evaluate $\sqrt[3]{\frac{- 27}{1331}}$

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Solution

The correct option is B
Prime factorising the numbers:
$\sqrt[3]{\frac{- 3 \times 3 \times 3}{11 \times 11 \times 11}} = \sqrt[3]{\frac{- 3^{3}}{11^{3}}} = \frac{- 3}{11}$

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