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

  • question_answer
    If \[f(x)\,=\frac{1}{\sqrt{x}}\left( 1-\frac{1}{x} \right)\], then  \[{{x}^{5/2}}[2f'(x)-f(x)]+{{x}^{2}}-3=\]

    A)  0            

    B)  2            

    C)  4            

    D)  10

    Correct Answer: A

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