$\int_{-1}^{3} \left[ \tan^{-1} \left( \frac{x}{x^{2}+1} \right) + \tan^{-1} \left( \frac{x^{2}+1}{x} \right) \right] dx =$

  • A
    $\pi$
  • B
    $2 \pi$
  • C
    $\frac{\pi}{2}$
  • D
    $\frac{\pi}{4}$

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Similar Questions

निश्चित समाकल $\int_{-3}^{1} (2(t+1)^5 - 5(t+1)^3 + t + 3) dt$ का मान ज्ञात कीजिए।

$\int_0^2 x^8\left(\frac{4}{x^2}-1\right)^{5 / 2} d x=$

निम्नलिखित निश्चित समाकल का मान ज्ञात कीजिए: $\int_0^{\frac{\pi}{2}} \frac{\sin ^{\frac{3}{2}} x}{\sin ^{\frac{3}{2}} x+\cos ^{\frac{3}{2}} x} d x$

$\int_0^{\frac{\pi}{4}} \frac{\cos ^2 x}{\cos ^2 x+4 \sin ^2 x} d x=$

$\int_0^\pi \frac{x \sin x}{1+\cos ^2 x} d x=$

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