MCQ
$\int \frac{\left(\tan ^{-1} x\right)^2}{1+x^2} d x=$
  • A
    1
  • B
    $\frac{\pi^3}{64}$
  • C
    $\frac{\pi^2}{192}$
  • इनमें से कोई नहीं

Answer

Correct option: D.
इनमें से कोई नहीं
(D)

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