$\int \frac{d x}{x^{2}+2 x+2}$ का मान ज्ञात कीजिए।

  • A
    $x \tan ^{-1}(x+1)+C$
  • B
    $(x+1) \tan ^{-1} x+C$
  • C
    $\tan ^{-1}(x+1)+C$
  • D
    $\tan ^{-1} x+C$

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निम्नलिखित कथनों $(A)$ और $(B)$ पर विचार करें:
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निम्नलिखित में से कौन सा सत्य है?

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