J & K CET Engineering J and K - CET Engineering Solved Paper-2014

  • question_answer
    9th term in \[n(n-4)/({{n}^{2}}+1)\] is

    A)  \[55/82\]          

    B)  \[40/82\]

    C)  \[45/82\]          

    D)  \[36/82\]

    Correct Answer: C

    Solution :

    We have,  \[{{T}_{n}}=\frac{n(n-4)}{{{n}^{2}}+1}\] \[\therefore \] 9th term, \[{{T}_{9}}=\frac{9(9-4)}{{{9}^{2}}+1}=\frac{9\times 5}{81+1}=\frac{45}{82}\]


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