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Geometric series
01
几何级数
a series of numbers in which each term after the first is found by multiplying the previous term by a fixed, non-zero number
Example
The geometric series 2, 4, 8, 16, ... has a common ratio of 2.
Financial calculations often use geometric series to model compound interest.
Convergence of a geometric series occurs when the absolute value of the common ratio is less than 1.
