论文标题
有限几何序列的概率证明
A probabilistic proof of the finite geometric series
论文作者
论文摘要
在本说明中，我们提供了众所周知的有限几何序列的概率证明。证明是由总和的矩和两个独立指数分布的随机变量的差异。
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.
