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11th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-11

  • question_answer
    If \[z=x+\text{ }iy,\text{ }{{z}^{1/3}}=\text{ }a-ib\] and  \[\frac{x}{a}-\frac{y}{b}=k({{a}^{2}}-{{b}^{2}})\], then value of k equals

    A)  2             

    B)  4             

    C)  6                    

    D)  1

    Correct Answer: B

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