题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025954-51684.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025954-23953.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025954-37188.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025955-42067.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025955-41005.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025955-30149.gif)
(Ⅰ)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025955-12271.gif)
(Ⅱ)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025956-73450.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025956-79311.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025956-45215.gif)
答案
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025946-63479.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025946-69298.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025946-36903.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025946-83722.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025947-61078.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025947-63123.gif)
(Ⅰ) 设
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025947-68249.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025947-10510.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025947-87291.gif)
(Ⅱ) 若数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025946-63479.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025947-61078.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025934-12200.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025935-40316.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025935-77411.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025935-73939.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025935-17265.gif)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025935-77411.gif)
(2)设
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025935-66421.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025936-28268.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025935-73939.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025936-93452.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025922-76412.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025922-17843.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025923-22389.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025923-46962.gif)
(Ⅰ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025923-95495.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025923-75002.gif)
(Ⅱ)已知点
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025924-79457.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025924-93163.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025924-82892.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025924-90155.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025924-65470.gif)
(Ⅲ)设(2)中的数列
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025925-54101.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025925-64005.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025925-68864.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025925-96307.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025917-43076.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025917-43076.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025917-53197.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025918-14839.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025918-60455.gif)
A.2007 | B.2008 | C.2009 | D.2010 |
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025905-24033.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025905-18799.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025905-87827.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025905-41968.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025906-61995.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191013/20191013025906-86114.gif)
A.2 | B.1 | C.3 | D.4 |
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