English

A probabilistic proof of the finite geometric series

Probability 2020-04-07 v1

Abstract

In this note, we present a probabilistic proof of the well-known finite geometric series. The proof follows by taking the moments of the sum and the difference of two independent exponentially distributed random variables.

Keywords

Cite

@article{arxiv.2004.02763,
  title  = {A probabilistic proof of the finite geometric series},
  author = {Raju Dey and Suchandan Kayal},
  journal= {arXiv preprint arXiv:2004.02763},
  year   = {2020}
}