1 . 已知函数
,其中,
为实参数.求所有的数对
,使得函数
在区间
内恰好有2011个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86406d02699887274e1ea492705a2cf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/761e0f90c215fb7e3cdb52a1d805a673.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d093a1e0298353258a13053f94144b.png)
您最近一年使用:0次
2 . 设
是
上的不减函数,且满足:(1)
;(2)
;(3)
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01bea8bf593f594c51fc7cc547482bee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d34aeda6b8771e4f8829c74592d2cdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4353063dd9040af707cf28416c5f03bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73f8f3ddb537cd5b83b011e04fee30d1.png)
您最近一年使用:0次
3 . 已知
,
对任意实数
成立.求
的解析式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8f02187dbdbe71b80a99dc5427043d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c39ef51919ff9b0a03804743cc7cdd43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
4 . 设
为非负实数,满足:
(1)
;
(2)
.
求
的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad3d9cdf24d1a1766cbcd4ac6ef8ce4a.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c30734e2c9e3fc91458bc819f65692d1.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8abcf992d72bb360e68c72b7d2bd8214.png)
求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8201f199b7bd650a653c7221fc84966.png)
您最近一年使用:0次
5 . 是否存在
上的周期函数
、
,使得对任何
,有
?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cdf0b18f3c874761f14303c735f57aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/055e6126e37b7de2baeef8f7c05cf8c6.png)
您最近一年使用:0次
6 . 设正方体
的边长为
.试在对角线
上求一点
,在底面四边形
上求一点
,使得
的值最大.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1710d1a7d15d83869446ce802e30e774.png)
您最近一年使用:0次
7 . 已知椭圆
,
是一个动点.
是以点
为圆心、与椭圆
相切的半径最小的圆的半径.求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9686e07ee099f94457ec01342ef74a7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f81f2a0196b06fc56a7e8a6463d179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3f81f2a0196b06fc56a7e8a6463d179.png)
您最近一年使用:0次
8 . 已知方程
在
上有一个根
.求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f3b61d79cc647fcbda23bedfdb8a98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e490caa99c712f021344f150cb9718bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
9 . 如图,△ABC 的面积为1,点E、F、G分别在边BC、CA、AB 上,且AE于点R处平分BF,BF于点S处平分CG,CG于点T处平分AE,求△RST的面积.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/6/327f6842-d26f-4837-8bbc-d03a27497f75.png?resizew=162)
您最近一年使用:0次