$\frac{(a - 1) - \frac{(a - 1)^2}{2} + \frac{(a - 1)^3}{3} - \dots \infty}{(b - 1) - \frac{(b - 1)^2}{2} + \frac{(b - 1)^3}{3} - \dots \infty} = $

  • A
    $\log_b a$
  • B
    $\log_a b$
  • C
    $\log_e a - \log_e b$
  • D
    $\log_e a + \log_e b$

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