Sequences & Series (id: 3b12f5a91)

本题目来源于试卷: Sequences & Series，类别为 IB数学

[填空题]
Consider the infinite gh s+nv :ye*i-veometwac/9js8/d 8 bjin2n nwa*6f mric sequence 9000,-7200,5760,-4608, $\ldots $
1. Find the common ratio.   
2. Find the 25 th term.≈   
3. Find the exact sum of the infinite sequence.   

参考答案:
空格1: -4/5±2%  空格2: 42.5±2%  空格3: 5000±2% 


本题详细解析:

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