设向量
、
满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc781bfb930aa545ccdc67ca8ec4098.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/c90f941fa479145d7a143a6812956a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddc781bfb930aa545ccdc67ca8ec4098.png)
21-22高一下·上海长宁·期末 查看更多[3]
上海市第三女子中学2021-2022学年高一下学情期末数学试题(已下线)6.2.4 向量的数量积(精练)-【题型分类归纳】2022-2023学年高一数学同步讲与练(人教A版2019必修第二册)广东省梅州市梅雁中学2022-2023学年高一下学期3月月考数学试题
更新时间:2022-12-12 20:06:44
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【推荐1】若向量
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【推荐2】边长为2的正三角形ABC,边BC上的中线为AD,取AD的中点O,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5da9d3635864b93abc3340700f9cdfc.png)
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【推荐1】已知
,向量
与
的夹角为
,向量
,
.若
,则实数
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcc73c1ebb703d194cb4c15ab5425faf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
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【推荐1】已知
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解题方法
【推荐2】平面向量
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_____ .
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