JEE Main & Advanced Mathematics Functions Question Bank Limits

  • question_answer
    The value of \[\underset{x\to \infty }{\mathop{\lim }}\,\frac{\log x}{{{x}^{n}}},\ n>0\]is

    A)                 \[0\]

    B)                 \[1\]

    C)                 \[\frac{1}{n}\]

    D)                 \[\frac{1}{n!}\]

    Correct Answer: A

    Solution :

                    \[\text{ }\underset{x\to \infty }{\mathop{\lim }}\,\,\frac{\log x}{{{x}^{n}}}=\underset{x\to \infty }{\mathop{\lim }}\,\,\frac{1}{n{{x}^{n}}}=0\]                 (By L-Hospital's rule)


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