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

  • question_answer
    If \[f\,(x)\,=\frac{x}{x-1}\], then \[\underbrace{(fofof\,...of)(x)}_{19\,times}\]is equal to

    A)  \[\frac{x}{x-1}\]           

    B)  \[{{\left( \frac{x}{x-1} \right)}^{19}}\]

    C)  \[\frac{19x}{x-1}\]       

    D)  \[x\]

    Correct Answer: A

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