$1 + \frac{3}{1!} + \frac{5}{2!} + \frac{7}{3!} + ....\infty = $

  • A
    $e$
  • B
    $2e$
  • C
    $3e$
  • D
    $4e$

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$\frac{2}{3!} + \frac{4}{5!} + \frac{6}{7!} + \dots \infty = $

$\frac{2}{1!} + \frac{4}{3!} + \frac{6}{5!} + \frac{8}{7!} + \dots \infty = $

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