$\int \frac{(\log x-1)^2}{\left[1+(\log x)^2\right]^2} d x=$ (जहाँ $C$ समाकलन का स्थिरांक है।)

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

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