11-12高一上·湖北·期末
1 . 已知向量
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9b19eca82b3d86f6e9b86507170707.png)
(1)求
及
;
(2)求函数![](https://img.xkw.com/dksih/QBM/2011/3/29/1570084114087936/1570084119126016/STEM/6c8c14b1dfae45d2b02e350d2ae2475d.png)
的最小值
.
![](https://img.xkw.com/dksih/QBM/2011/3/29/1570084114087936/1570084119126016/STEM/0e92df8bcb28438d93cfc853db2eef08.png)
![](https://img.xkw.com/dksih/QBM/2011/3/29/1570084114087936/1570084119126016/STEM/ab39c61d0da74fc1be4ebeec95296a35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9b19eca82b3d86f6e9b86507170707.png)
(1)求
![](https://img.xkw.com/dksih/QBM/2011/3/29/1570084114087936/1570084119126016/STEM/9b2208033e6e4a69aa8f099c1663e707.png)
![](https://img.xkw.com/dksih/QBM/2011/3/29/1570084114087936/1570084119126016/STEM/fa7e1047ea0f487ab05945b22405ef11.png)
(2)求函数
![](https://img.xkw.com/dksih/QBM/2011/3/29/1570084114087936/1570084119126016/STEM/6c8c14b1dfae45d2b02e350d2ae2475d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/497f79b82f7428fd4ad48fb472b2ef13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6552c3a42c2629ef9533f0fc651736.png)
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10-11高三上·浙江杭州·阶段练习
2 . 已知点
,
.
(Ⅰ)若
, 求
的值;
(Ⅱ)设
为坐标原点, 点C在第一象限, 求函数
的单调递增区间与值域.
![](https://img.xkw.com/dksih/QBM/2010/10/26/1569865197797376/1569865203040256/STEM/96115bd8fb28449b93e87e970dbdeb33.png)
![](https://img.xkw.com/dksih/QBM/2010/10/26/1569865197797376/1569865203040256/STEM/2020dc31834e49a69b433a81d5d722e1.png)
(Ⅰ)若
![](https://img.xkw.com/dksih/QBM/2010/10/26/1569865197797376/1569865203040256/STEM/f42ec54692964d219c0d416bfb82d1ea.png)
![](https://img.xkw.com/dksih/QBM/2010/10/26/1569865197797376/1569865203040256/STEM/c98b82a7c77c417a87271f12586c414a.png)
(Ⅱ)设
![](https://img.xkw.com/dksih/QBM/2010/10/26/1569865197797376/1569865203040256/STEM/a1e62d7a758d4fbdb8202c1f9989f2d7.png)
![](https://img.xkw.com/dksih/QBM/2010/10/26/1569865197797376/1569865203040256/STEM/a5ca1d739521404cb7897237791bba9d.png)
您最近一年使用:0次
13-14高一下·河南开封·期末
名校
3 . 对于非零向量
,
,下列命题中正确的是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
A.![]() ![]() | B.![]() ![]() ![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2014-09-12更新
|
801次组卷
|
5卷引用:2013-2014学年河南省开封高中实验学校高一下学期期末数学试卷1
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