设向量
,
,且
,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30800bcb030cf5ee97d0e21fbbe8c368.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07a3b7fb51d2ded1d64bb251741a87de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9b1c9c750a1bf7016719ff0da58d51d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803b0408f3d1b2bf7900d220a0a1827c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30800bcb030cf5ee97d0e21fbbe8c368.png)
更新时间:2022-10-20 09:14:39
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