已知
,
,则
在
上的投影向量的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78b3515de9a26c0397039e077f272b1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92b1305dff4fc89f3e8bc75fa7c258de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
更新时间:2024-01-03 17:35:52
|
相似题推荐
填空题-单空题
|
适中
(0.65)
名校
解题方法
【推荐1】设平面向量
,
,
满足:
,
,
,
,则
的取值范围是__________ .
![](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/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6316d995f00623f05fc3d56a6cbe5f00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc701aa94927107a501949e9d0276ea4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c749bf931067fe018d6c0cd1f1d17c96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/268fe574527c11debe6c1405cbaa9535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d02b6dc155bdebf08f4b89c1fe0d64ad.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐2】已知菱形
的一条对角线
长为2,点
满足
,点
为
的中点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306c1624503aebfb9c9e806bf3408849.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2dbb04ae2784b5712c55172db4a0802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/345f13f8053fff884d2284d0db0ce675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/306c1624503aebfb9c9e806bf3408849.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
解题方法
【推荐1】已知向量
,
,
,若△OAB是以O为直角顶点的等腰直角三角形,则△OAB的面积为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da425e910e0809dd6a40faba221a0030.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32f42598251e3ecb15180f226131fd3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c9ada087648f2c8ddcbf6ba1a48151a.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
【推荐3】已知单位向量
,
,
,
,若存在实数
,使得
成立,则
的最小值为______ .
![](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/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2cc1f1ef9ad32eef62aefa4c3fc3d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6d480fba714fcc7f581b7e6c7ae4fd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e273de83d7f518df456d6f6f568ad4e4.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐1】在空间直角坐标系中,点
,则向量
在
上的投影向量的坐标为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98651ce02ccdbcb1b204009bd69c55cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
您最近一年使用:0次
填空题-单空题
|
适中
(0.65)
名校
【推荐2】已知
,若向量
在向量
上的投影向量为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2563016d87164613dbf110aa0e7265ad.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3d58ef83f94f27ecb75f0f4641ab15d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427fa45527d0ce469bfd060bf6f991f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e63eb75c15e1bc426eae51051924baa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2563016d87164613dbf110aa0e7265ad.png)
您最近一年使用:0次