解题方法
1 . 设
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d47050e145c017cedd9c7565a8175e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b51912dcbaf45ad56ac3ae7fcb92d1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82973dbba5a6e76209945cb8ba7b2a11.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
2 . 已知函数
,其中
.
(1)若不等式
的解集为
,求实数
,
的值;
(2)在(1)的条件下,若
,
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3da9464eafb35ac9d5ac62cc057b0c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
(1)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fbc901cbdb68130ddac3174583dd93c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d648450152ba28426beca482ebbe75eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b5582e1931243dbb90b7591137f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/025626310f5e5690c28e29808d7afeef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab04de6651256f6281e9f4c1dc3c7955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d95dd4389a20149126f61d6ea3bc3507.png)
您最近一年使用:0次