名校
1 . (1)已知
在区间
上能取得最大值,求实数
的取值范围;
(2)设函数
且
是定义域为
的奇函数,若
,且
在
上的最小值为
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84deea0c85c1de4c037651da873f463f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea8617456fd0c93ccea714ce94a88655.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/857ca0fb99169d709230911ecd8e2662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37fa1476cf3552b9ae91ef039b1c6c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd0e5e3f3477931e7c15cf609b422410.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f137051f5f2750919c49f051c8d7aaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f7464e7559a63bba3915987982fa9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
名校
2 . 如图, 直线
方程分别为
和
,过点
作直线
分别交
于
两点,当
的中点
恰好落在与直线
垂直且过原点的直线上时,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79b5c656f0149d403d7473794e1eb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1524b3f629e0176586efb4ea437d3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55e0d5108f953665e7b3f8744d989934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd17e62fa96ef9eab8897410de603f3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79b5c656f0149d403d7473794e1eb59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8cb29ad21e4d9e57c41d798935cc5d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b79dd200766db27fb90d6bd1992cf658.png)
![](https://img.xkw.com/dksih/QBM/2017/3/7/1638704509124608/1641075169927168/STEM/8e11a6f2cc2d41c6916c0b8593c74cd1.png?resizew=245)
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