I'm trying to find the sum of the following series and am a bit stuck:(adsbygoogle = window.adsbygoogle || []).push({});

sum_{r=0}^{+\infty}1/(r*r!)

It looks a bit like e^1 but the extra r in the denominator is causing problems. Can anyone help?

**Physics Forums | Science Articles, Homework Help, Discussion**

Join Physics Forums Today!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Power series

Loading...

Similar Threads for Power series |
---|

I Divergent series question |

I Help with simplifying series of hyperbolic integrals |

I Taylor series |

**Physics Forums | Science Articles, Homework Help, Discussion**