MCQ
$\int \frac{d x}{1+x^2}=$
  • A
    $\cot ^{-1} x+C$
  • $\tan ^{-1} x+C$
  • C
    $\sec ^{-1} x+C$
  • D
    $\operatorname{cosec}^{-1}+C$

Answer

Correct option: B.
$\tan ^{-1} x+C$
(B)

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