已知函数
函数
有四个不同的零点
,
,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2726ab891c05896cbede1cc1f0aa53fe.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ed7c4c1eda5fca486f91f8ede1679fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcefa1eadaa807e3fe6c61a2f8d2dea9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/365b38a7689a8eede6820cd6f1fe952b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3604274ad6707a906eba371a9e884144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2726ab891c05896cbede1cc1f0aa53fe.png)
更新时间:2023-10-27 17:09:20
|
【知识点】 求零点的和
相似题推荐
填空题-单空题
|
适中
(0.65)
名校
【推荐1】已知函数
,有下面四个命题:
①当
时,
在
单调递减;
②若
恰有两个不同的零点,则
;
③若函数
恰有4个不同的零点
,
,
,
,则
;
④对于任意的
,函数
恰有3个不同的零点.
其中,全部正确命题的序号为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33fd8dbcc9972cdbdc5d4ec10f102c2.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcb3d717642032e45e06064b600e8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec6d01416d70da04bf3de6a0854ce47.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcb3d717642032e45e06064b600e8f1.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e7eb1c785d537dfa63a7427123ebf69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b12a4eecd249473a831d0ee472470240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9565876bc50bceb63e5793c8c67a9032.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec13d0c7a2f811a742d7e89960c5fec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/361b11b445f4801ef928a198c8b46273.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8d2c754bce775e267a2240fa75d80b.png)
④对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/848c33e3506416358d9f0d3ee66f67a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f4a6a1d83a9bafeb238e0615abcade.png)
其中,全部正确命题的序号为
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐2】若实数
满足方程
,实数
满足方程
,则函数
的极大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/312ffe824268e75db9c2ed3671faf49a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f9d3ff3dcfec31a11ca0150be2ef55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fc7e8c779a7f2b86bc3561ba827a3b1.png)
您最近一年使用:0次