题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063428-76598.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063428-72895.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063429-71321.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063429-13528.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063429-84963.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063429-34948.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063429-88604.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063430-46959.png)
答案
解析
试题分析:设公比为
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063430-96941.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063430-24158.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063430-16536.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063430-41011.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063431-87357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063431-47628.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063431-51757.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063431-35347.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063432-70879.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063432-53485.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063414-46669.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063414-31042.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063414-53202.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063414-62712.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063414-86216.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063414-38440.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063414-46669.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063415-89651.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063415-29162.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063415-94147.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063415-89651.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063415-89860.png)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063415-91964.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063415-89860.png)
(Ⅱ)若对于任意不超过
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063415-82858.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063415-23662.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063415-26506.png)
(Ⅲ)证明:
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063416-91749.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063416-96997.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063416-19061.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063351-61822.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063351-45744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063351-12974.png)
(Ⅰ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063351-88199.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063352-78394.png)
(Ⅱ)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063352-85786.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063352-22302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063352-57953.png)
(Ⅲ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063352-54375.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063353-53250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063352-22302.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063352-57953.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063353-27088.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063353-44819.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063335-71282.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063335-82505.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063336-45237.png)
(Ⅰ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063336-29926.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063336-37820.png)
(Ⅱ)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063336-65284.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063336-99614.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063337-43143.png)
(Ⅲ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063337-58604.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063337-50987.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063337-30208.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063326-31463.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063326-88141.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063326-92215.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063327-75071.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063327-72287.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063327-85368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063327-21554.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191014/20191014063328-47462.png)
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