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JEE Main & Advanced Sample Paper JEE Main - Mock Test - 40

  • question_answer
    If  \[f(x)=se{{c}^{-1}}\left( \frac{1}{2{{x}^{2}}-1} \right),\], then \[f'\left( -\frac{1}{2} \right)\] is equal to ____.

    Answer:

    \[4/\sqrt{3}\]


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