JEE Main & Advanced Sample Paper JEE Main - Mock Test - 4

  • question_answer
    \[\underset{x\to \infty }{\mathop{\lim }}\,{{\left( \frac{{{20}^{x}}-1}{19({{5}^{x}})} \right)}^{1/x}}=\_\_\_\_\_\_\_\_.\]

    Answer:

    4


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