Geometric series
01
几何级数, 等比数列
a series of numbers in which each term after the first is found by multiplying the previous term by a fixed, non-zero number
例子
The geometric series 2, 4, 8, 16, ... has a common ratio of 2.
几何级数 2, 4, 8, 16, ... 的公比为2。
Financial calculations often use geometric series to model compound interest.
金融计算经常使用几何级数来模拟复利。



























