MCQ
$\int_0^1 \frac{4 \tan ^{-1} x}{1+x^2} d x=$
  • A
    $\frac{\pi^2}{4}$
  • $\frac{\pi^2}{8}$
  • C
    $\frac{\pi}{4}$
  • D
    $\frac{\pi}{8}$

Answer

Correct option: B.
$\frac{\pi^2}{8}$
B

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