Question

Find the cube root of : $\frac{-125}{68921}$

• A. $\frac{5}{41}$
• B. $\frac{-5}{41}$
• C. $\frac{5}{61}$
• D. $\frac{5}{-61}$

Answer 1

Answer: (B)

$\frac{-5}{41}$

$\sqrt[3]{3\frac{-125}{68921}}$ $=\sqrt[3]{3\frac{-5\times -5\times -5}{41\times 41\times 41}}$$=\frac{-5}{41}$

Hence, option B is correct.