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11th Class Mathematics Sample Paper Maths Olympiad Model Paper-7

  • question_answer
    If \[\frac{{{(a+ib)}^{2}}}{a-ib}-\frac{{{(a-ib)}^{2}}}{a+ib}=x+iy\] then x =.....

    A)  \[\frac{-2{{b}^{3}}}{{{({{a}^{2}}+{{b}^{2}})}^{2}}}\]              

    B)  \[\frac{6{{a}^{2}}b}{{{({{a}^{2}}+{{b}^{2}})}^{2}}}\]

    C)  0

    D)  \[\frac{5{{a}^{2}}b}{{{a}^{2}}+{{b}^{2}}}\]

    E)  None of these

    Correct Answer: C

    Solution :

     Not Available                           


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