题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065956-21401.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065956-18895.gif)
(1)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065956-21401.gif)
(
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065956-97023.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065956-61529.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065957-74021.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065957-17693.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065957-36416.gif)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065957-74632.jpg)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065958-78013.jpg)
解析
核心考点
试题【已知数列满足(1)求数列的通项公式;(2)设为数列的前n项积,是否存在实数a,使得不等式对一切都成立?若存在,求出的取值范围,若不存在,请说明理由。】;主要考察你对等差数列等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065933-83238.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065933-68113.png)
A.260 | B.220 |
C.130 | D.110 |
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065922-33527.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065922-63053.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065923-28838.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065923-20840.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065807-29784.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065808-75101.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065808-68356.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065808-50433.gif)
已知数列
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065730-47276.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065730-31472.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065730-19168.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065731-40105.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065731-33773.gif)
满足
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065731-72927.gif)
(Ⅰ)求数列
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065730-47276.gif)
(Ⅱ)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065731-63068.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065731-78874.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065732-21189.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065732-47191.gif)
(Ⅲ)我们知道数列
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065730-47276.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065732-47118.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065731-33773.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065732-64785.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065732-64785.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065733-64825.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065733-64825.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065650-36011.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065650-62565.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065650-89167.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065650-86990.gif)
(1
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065651-98844.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065651-72851.gif)
(2)设函数
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065651-76553.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065651-31846.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065650-62565.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065652-54372.gif)
(3)设
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065652-81999.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065652-78824.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065652-24798.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065650-62565.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065652-52641.gif)
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065704-14520.gif)
恒成立,求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191011/20191011065652-81999.gif)
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