名校
1 . 已知点
在抛物线
上,设
的焦点为
,线段
的中点
在
的准线
上的射影为
,且
,则向量
的夹角的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1da895d8bd043625a0839128252130d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69bd04697b8b5950ab659b3fb7e70664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c62cf5705c50cdb75b22c1ab90db0a0.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-04-24更新
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433次组卷
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3卷引用:陕西省西安市第一中学等校2023-2024学年高三下学期4月阶段性测试文科数学试题