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8th Class Mathematics Cubes and Cube Roots Question Bank Cube and Cube Roots

  • question_answer
    What is the value of \[\sqrt[3]{\frac{-56}{875}}\]

    A)  \[-\frac{7}{2}\]                        

    B)  \[-\frac{7}{5}\]           

    C)  \[-\frac{2}{5}\]  

    D)  \[-\frac{2}{7}\]

    Correct Answer: C

    Solution :

    (c) \[{{\left[ \frac{-56}{875} \right]}^{\frac{1}{3}}}={{\left( \frac{-8}{125} \right)}^{\frac{1}{3}}}=\frac{-2}{5}.\]           


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