已知向量
,
满足
,
,则
在
上的投影为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b1f0cfc5fa323b2397c8d7158e6920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a0c2a4cb41264cc8ba7b390113d69a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
更新时间:2019-04-07 10:51:59
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