The sum of the following infinite series is: \(\frac{1}{1!}\) +…

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The sum of the following infinite series is: 11!\frac{1}{1!} + 12!\frac{1}{2!} + 13!\frac{1}{3!} + 14!\frac{1}{4!} + 15!\frac{1}{5!} +⋯

  1. A.

    π

  2. B.

    1+e

  3. C.

    e−1

  4. D.

    e

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