$\int \frac{x^3}{x^4+5 x^2+4} \,d x=$

  • A
    $\frac{1}{3} \log \left(\frac{\left(x^2+4\right)^2}{\sqrt{x^2+1}}\right)+c$,जहाँ $c$ समाकलन स्थिरांक है
  • B
    $\log \left(\frac{\left(x^2+4\right)^2}{\sqrt{x^2+1}}\right)+c$,जहाँ $c$ समाकलन स्थिरांक है
  • C
    $3 \log \left(\frac{\left(x^2+4\right)^2}{\sqrt{x^2+1}}\right)+c$,जहाँ $c$ समाकलन स्थिरांक है
  • D
    $\frac{1}{6} \log \left(\frac{x^2+1}{x^2+4}\right)+c$,जहाँ $c$ समाकलन स्थिरांक है

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