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

  • question_answer
    Find the cube root of \[\frac{-2197}{1331}\]

    A)  \[\frac{-13}{11}\]   

    B)  \[\frac{13}{11}\]         

    C)  \[-\frac{13}{21}\]                     

    D)  \[-\frac{17}{21}\]

    Correct Answer: A

    Solution :

    (a) \[\sqrt[3]{\frac{-2197}{1331}}=\sqrt[3]{\frac{{{(-13)}^{3}}}{{{(11)}^{3}}}}\] \[=\frac{-13}{11}\]                


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