Math Problem Statement
一个投资产品花了100000元,第一年获利3341.91元,下一年在前一年的基础上多获利前一年的2.5%,以此类推,求多少年能收回投资成本
Solution
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Math Problem Analysis
Mathematical Concepts
Geometric Progression
Investment Growth
Compound Interest
Formulas
P_n = P_1 × (1 + r)^(n-1)
S_n = P_1 × [(1 + r)^n - 1] / r
Theorems
Sum of a Geometric Series
Suitable Grade Level
College Level or Advanced High School
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