名校
1 . 已知向量![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0267653cae0ad9ef230c331006d70d.png)
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b68beacb47b1623eb65a98d25f52f2d.png)
(1)当
时,求
及
的值;
(2)若函数
的最小值是
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be0267653cae0ad9ef230c331006d70d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d6a020591745c760b4190f08b9a1fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b68beacb47b1623eb65a98d25f52f2d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f56a20bc5fce6b02217627b42249854.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce84639e780b0fb6a02bb700925ef7dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d5fa3de8948f50d1ce79822ff88aa91.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2120df02738855615fcbe4298bd6a01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbc6a613224461ade69362d46550474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2019-10-22更新
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536次组卷
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2卷引用:重庆市杨家坪中学2020-2021学年高一下学期第一次月考数学试题