$\int {\frac{{{x^3} - 1}}{{{x^3} + x}}dx} = $

  • A
    $x - \log |x| + \frac{1}{2}\log ({x^2} + 1) + {\tan ^{ - 1}}x + c$
  • B
    $x - \log |x| + \log \sqrt {{x^2} + 1} - {\tan ^{ - 1}}x + c$
  • C
    $x + \log |x| + \log \sqrt {{x^2} + 1} + {\tan ^{ - 1}}x + c$
  • D
    આમાંથી કોઈ નહીં

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