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11th Class Mathematics Sample Paper Maths Olympiad Model Paper-2

  • question_answer
    The sum of the series \[\frac{1}{{{\log }_{2}}4}+\frac{1}{{{\log }_{4}}4}+\frac{1}{{{\log }_{8}}4}+.......\frac{1}{{{\log }_{{{2}^{n}}}}4}\] is

    A)  \[\frac{n\,(n+1)}{2}\]               

    B)  \[\frac{n\,(n+1)\,\,(2n+1)}{12}\]

    C)  \[\frac{1}{n\,(n+1)}\]               

    D)  \[\frac{n\,(n+1)}{4}\]

    E)  None of these

    Correct Answer: D

    Solution :

     Not Available


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