1 . 已知向量
满足
,若
,则
的最小值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae75091208abbb1625593fbf36dfc84f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071e5872a9a60713cc18ef8d46458c67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ed041e2984bd9748d0c0d16ba1e9084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e1e700ae27f723491fa02af1b4498.png)
A.![]() | B.![]() | C.1 | D.2 |
您最近一年使用:0次
2 . 已知函数
,则下列结论中错误的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51dbfaeeb60a3e4d021c41c0f6c0a1e7.png)
A.函数![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.函数![]() ![]() ![]() |
您最近一年使用:0次