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

  • question_answer
    \[\underset{x\to 0}{\mathop{\lim }}\,\frac{{{\sin }^{2}}x}{\sqrt{2}-\sqrt{1+\cos x}}\] equal to \[a\sqrt{2},\] then a is

    Answer:

    4


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