$\int \frac{1}{x^2} \log(x^2 + a^2) \, dx = $

  • A
    $\frac{1}{x} \log(x^2 + a^2) + \frac{2}{a} \tan^{-1} \frac{x}{a} + c$
  • B
    $-\frac{1}{x} \log(x^2 + a^2) + \frac{2}{a} \tan^{-1} \frac{x}{a} + c$
  • C
    $-\frac{1}{x} \log(x^2 + a^2) - \frac{2}{a} \tan^{-1} \frac{x}{a} + c$
  • D
    इनमें से कोई नहीं

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