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

  • question_answer
    Let \[f(x)=4\] and \[f'(x)=4\]. If \[\underset{x\to 2}{\mathop{\lim }}\,\,\,\,\frac{xf\,\,(2)-2f\,(x)}{x-2}=-a.\] then a is

    Answer:

    4


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