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KVPY Sample Paper KVPY Stream-SX Model Paper-21

  • question_answer
    If \[y={{\tan }^{-1}}\,\,\left( \frac{\ell n\frac{e}{{{x}^{2}}}}{\ell ne{{x}^{2}}} \right)+{{\tan }^{-1}}\frac{3+2\,\ell n\,x}{1-6\,\ell n\,x}\] then \[\frac{{{d}^{2}}y}{d{{x}^{2}}}=\]

    A) 2

    B) 1

    C) 0

    D) \[-1\]

    Correct Answer: C

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