题目
题型:填空题难度:简单来源:不详
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035100-53742.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035100-82863.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-80597.png)
答案
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-64008.png)
解析
试题分析:由
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-90482.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-96547.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-85495.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-80597.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-63584.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035102-68979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035102-68979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-63584.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-63584.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035102-43974.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035102-85945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035102-87981.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035102-18178.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035103-63106.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035102-68979.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035103-65852.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-80597.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035101-64008.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035103-56035.png)
核心考点
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035058-56608.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035058-10422.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035058-92485.png)
(1)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035058-62316.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035058-53377.png)
(3)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035059-18415.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035059-45524.png)
其中正确结论的序号是( )
A.(1)(2) | B.(1)(3) | C.(2)(4) | D.(3)(4) |
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035054-95484.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035054-23422.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035054-94250.png)
A.![]() ![]() | B.![]() ![]() | C.![]() ![]() | D.![]() ![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035050-21663.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035051-55013.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035051-36624.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035051-75762.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035050-21663.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035051-55013.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035051-66671.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035039-31554.png)
(I)用定义证明函数
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035039-41103.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035039-61729.png)
(II)求
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035039-41103.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035040-82417.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035031-35403.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035031-72804.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035032-60526.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035032-71029.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035032-52156.png)
(1)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035032-79785.png)
(2)求证:
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035031-35403.png)
(3)当
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035032-81744.png)
![](http://img.shitiku.com.cn/uploads/allimg/20190818/20190818035033-30334.png)
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