题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095915-35966.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095915-86706.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095915-46026.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095916-93450.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095916-79332.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095916-11996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095916-11996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095916-11996.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095916-25945.png)
答案
解析
试题分析:从定义可知数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095915-35966.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095917-32268.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095917-32268.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095917-11886.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095917-71191.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095917-22719.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095917-65370.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095615-86397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-27023.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-23493.png)
命题
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-37172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-27023.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-58709.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095617-31732.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-23493.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095617-50433.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095617-50178.png)
⑴若
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-37172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-58709.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095617-50178.png)
⑵对于⑴中的
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095617-11600.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095618-59666.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-37172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-58709.png)
⑶若
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-37172.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-23493.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095618-25085.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095616-27023.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095618-43424.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095615-86397.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095532-77127.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095532-88059.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095532-46466.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095437-21819.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095437-40595.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095438-98798.png)
(Ⅰ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095437-21819.png)
(Ⅱ)设
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095438-11204.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095438-25483.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095438-14380.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095439-20877.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095439-20467.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095439-33622.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095422-42437.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095423-33498.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095423-93167.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095406-65239.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095407-19293.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095407-88128.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095407-51826.png)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095406-65239.png)
(2)数列满足
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095408-72732.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191009/20191009095408-72669.png)
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