1 . 设向量
满足
,
,
,
.若
,则
的最大值是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c38fe2c71e008615306cd00dd26ac34d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7143c24a0f6abee7f14a3f1a8ddbb467.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f1a967c139cd07a874e9969c9b4f357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d30d82a05f23d58243115e17ecb4cf07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da774203d868bb03de2a99c80e1e16de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13b382c157c048df97ad538b1e013b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/302451ea9181068341929174fb7b8055.png)
您最近一年使用:0次
2019-07-09更新
|
2313次组卷
|
5卷引用:浙江省杭州市2018-2019学年高一第二学期期末数学试题
浙江省杭州市2018-2019学年高一第二学期期末数学试题浙江省2020届高三下学期高考压轴卷数学试题专题01平面向量的概念与运算湖南师大附中2019-2020学年高二上学期入学考试数学试题(已下线)专题1 平面向量的概念及线性运算、平面向量的基本定理-学会解题之高三数学321训练体系【2022版】
名校
2 . 已知
,
是不共线的两个单位向量,
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ ;若对任意的
,
与
都不可能垂直,则
在
上的投影为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bd8a052e56b53a66497b4b55a968a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc155e36276a2226c40a1f4ef7a0f41a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f97a1f528a1df0fea872ece9d26bed6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4704e724b0c70f5306f254f659039c28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6433f98b702100f5fba0844361be7051.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37b97b295f88972ba1c7e3cefda0885d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48bd8a052e56b53a66497b4b55a968a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc155e36276a2226c40a1f4ef7a0f41a.png)
您最近一年使用:0次
2019-04-27更新
|
919次组卷
|
3卷引用:【校级联考】浙江省嘉兴市第一中学、湖州中学2018-2019学年高一下学期期中考试数学试题
11-12高三上·浙江绍兴·期末
3 . 已知
且
,
是钝角,若
的最小值为
,则
的最小值是____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/990d9720d471e6e012422c2042457cee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/131ac7eb1e911c9a40e84235bf3742ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d7b2fe01a33c4825f9974ed9663a99c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3917f44fb8b7961452324fd484008dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d44e0603df1928f1b54a342e1dd3f7.png)
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