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

  • question_answer
    Find the value of \[\sqrt[3]{-\frac{1728}{274}}=\]

    A)  \[-\frac{6}{11}\]                       

    B)  \[-\frac{6}{7}\]    

    C)  \[-\frac{3}{4}\]                        

    D)  \[-\frac{3}{7}\]

    Correct Answer: B

    Solution :

    (b) \[\sqrt[3]{\frac{-1728}{2744}}\] but \[1728={{12}^{3}},\]\[2744={{14}^{3}}\].


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