MCQ
$\int \frac{d x}{x^2+2 x+2}$ बराबर है:
  • A
    $x \tan ^{-1}(x+1)+C$
  • $\tan ^{-1}(x+1)+C$
  • C
    $(x+1) \tan ^{-1} x+C$
  • D
    $\tan ^{-1} x+C$

Answer

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

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