The sum of the series 2!1−3!1+4!1−… upto infinity is

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The sum of the series {{1}}{{{2}!}}-{{1}}{{{3}!}}+{{1}}{{{4}!}

Question

The sum of the series $\frac{1}{2 !} - \frac{1}{3 !} + \frac{1}{4 !} - \dots$ upto infinity is

e^{- 2}

e^{- 1}

e^{- 1 / 2}

e^{1 / 2}

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Theodore Discussed

The sum of the series

\frac{1}{2 !} - \frac{1}{3 !} + \frac{1}{4 !} - \dots

upto infinity is

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Question Text	The sum of the series $\frac{1}{2 !} - \frac{1}{3 !} + \frac{1}{4 !} - \dots$ upto infinity is
Answer Type	Video solution: 1
Upvotes	150