解题方法
1 . 已知函数
(c为常数),若2为函数
的零点.
(1)求c的值;
(2)求证:函数
在
上是单调递增函数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428d6d1f8f38155d36148cd8c0abc6c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(1)求c的值;
(2)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7334919736e5ed881f691e4ca738b4ce.png)
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2 . 已知函数
.
(1)若
是奇函数,求
的值;
(2)设
,若
,证明:函数
在
内至少有2个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6dba7698a746a5f31cee985c7da15f9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/186b3895b0b0e42b5aab88406b158e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ccd8d2cecaa5521d30dd0916f1ecc63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
您最近一年使用:0次