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JEE Main & Advanced Mathematics Differentiation Question Bank Numerical Value Type Questions - Limits and Derivatives

  • question_answer
    If \[\underset{x\to 1}{\mathop{\lim }}\,\frac{{{x}^{4}}-1}{x-1}=\underset{x\to k}{\mathop{\lim }}\,\frac{{{x}^{3}}-{{k}^{3}}}{{{x}^{2}}-{{k}^{2}}},\] then value of k up to two decimal places is

    Answer:

    2.67


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