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

  • A
    $\ln(1 - e^{-x}) + c$
  • B
    $-\ln(1 - e^{-x}) + c$
  • C
    $\ln(e^x - 1) + c$
  • D
    આમાંથી કોઈ નહીં

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