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  3. 11th Class
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11th Class Mathematics Sample Paper Mathematics Olympiad - Sample Paper-9

  • question_answer
    If \[f(x)=x(\sqrt{x}-\sqrt{x+1}),\] then

    A)  f(x) is continuous but not differentiable at x = 0

    B)  f(x) is differentiable at x = 0

    C)  f(x) is not differentiable at x = 0

    D) None of these

    Correct Answer: B

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