题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043656-30357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043657-65378.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043657-12924.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043657-68198.png)
A.![]() | B.![]() | C.![]() | D.![]() |
答案
解析
试题分析:由已知得,
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043658-50933.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043658-68801.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043659-46310.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043659-36118.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043659-25420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043656-30357.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043659-48313.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043659-25420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043659-41016.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043659-25420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043700-13337.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043659-25420.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043700-48583.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043657-68198.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043657-94273.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043641-48117.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043641-61220.png)
(1) 求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043641-97109.png)
(2) 若关于x的方程
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043642-54823.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043642-32736.png)
(3) 证明:对任意的自然数n,有
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043642-51730.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043625-11439.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043625-51940.png)
(1) 求实数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043625-47478.png)
(2) 若关于x的方程
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043625-52823.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043626-82298.png)
(3)证明:对任意的正整数n,不等式
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043626-82340.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043614-50250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043614-91841.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043614-54461.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043614-61692.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043614-63568.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043615-15127.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043615-57718.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043615-32579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043615-56670.png)
(Ⅰ)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043615-32579.png)
(Ⅱ)求函数
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043615-32579.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043603-66743.png)
(Ⅰ)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043603-88533.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043603-29383.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043604-86535.png)
(Ⅱ)求
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043604-27958.png)
(Ⅲ)若
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043604-85594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043604-71236.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043604-29107.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043538-79071.png)
(1)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043538-81272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043538-16160.png)
(2)令
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043538-84972.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043539-18497.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043539-49197.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043539-93102.png)
(3)当
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043539-10821.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043540-78982.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043540-37758.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191018/20191018043540-91440.png)
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