题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031209-69835.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031210-28698.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031210-76399.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031210-11202.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031210-46487.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031209-69835.gif)
(1)求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031221-66041.gif)
(2)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031210-28698.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031222-25484.gif)
(3)设
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031209-69835.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031222-66847.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031222-82869.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031222-12072.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031223-41200.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031210-76399.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031223-75403.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031223-11680.gif)
(
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031223-36654.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031223-83428.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031224-59090.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031224-66454.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031224-54852.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031224-38943.gif)
解析
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031155-80491.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-26622.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-64155.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-83271.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-83271.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-57075.gif)
任意的正整数
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-64155.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-26283.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031157-18348.gif)
(
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031157-44040.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031155-80491.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-26622.gif)
(2)设数列
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031155-80491.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-26622.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031157-87791.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031157-74316.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-26622.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031157-26977.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031158-25573.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031158-38958.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031158-51267.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031158-23225.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031159-47728.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031159-52773.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-26622.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031157-74316.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031159-59780.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-26622.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031156-64155.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031159-53202.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031001-36573.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031001-21534.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031001-22502.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031002-17565.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011031002-56755.gif)
(本小题满分13分)
数列
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030910-50266.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030910-92295.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030910-63249.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030911-91086.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030911-45014.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030912-60566.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030912-71767.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030912-30911.gif)
(1)求证:数列
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030910-50266.gif)
(2)设数列
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030910-50266.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030918-53236.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030918-80461.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030918-43901.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030918-30137.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030912-71767.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030919-18570.gif)
(3)求
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030919-28941.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030919-76919.gif)
(1)求a1、a2的值及数列{an}的通项公式;
(2)设bn=
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030902-26948.gif)
列{an}成等差数列,公差为1(n∈N*)。
(I)求数列{an},{bn}的通项公式;
(II)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011030836-39842.gif)
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