10-11高一下·黑龙江鹤岗·期中
真题
解题方法
1 . 已知函数
的图象与
轴分别相交于点
,
(
分别是与
轴正半轴同方向的单位向量),函数
.
(1)求
的值;
(2)当
满足
时,求函数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a26cbfd351d1af2add79d6315ad31c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eda0b2901ab7cccd83e408e381f2df70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f03844a4d49eadf4157de7c7c339b69.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee74c6911296526d3f85b586d3d4161.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ceee0ff5c929d67de3c294e027c9087.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac93e34d8935fe1c54e5263d514f242a.png)
您最近一年使用:0次