$\int {\left\{ \frac{\log x - 1}{1 + (\log x)^2} \right\}}^2 dx$ का मान ज्ञात कीजिए।

  • A
    $\frac{x e^x}{1 + x^2} + c$
  • B
    $\frac{x}{(\log x)^2 + 1} + C$
  • C
    $\frac{\log x}{(\log x)^2 + 1} + c$
  • D
    $\frac{x}{x^2 + 1} + c$

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