$1 + \left( \frac{1}{2} + \frac{1}{3} \right) \frac{1}{4} + \left( \frac{1}{4} + \frac{1}{5} \right) \frac{1}{4^2} + \left( \frac{1}{6} + \frac{1}{7} \right) \frac{1}{4^3} + \dots \infty = $

  • A
    $\log_e (2\sqrt{3})$
  • B
    $2 \log_e 2$
  • C
    $\log_e 2$
  • D
    $\log_e \left( \frac{2}{\sqrt{3}} \right)$

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