已知抛物线
:
的焦点为
,准线为
,
是
上一点,
是直线
与
的一个交点,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59a3b186caec2a27564410402470fce.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/290a56449ad6dd65aec7525c94273f59.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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19-20高三上·湖北武汉·阶段练习 查看更多[3]
湖北省武汉市2019-2020学年高三上学期11月综合测试(二)理科数学试题2020届湖北省武汉市高三上学期11月综合测试(二)数学(文)试题(已下线)专题06 平面向量的模与夹角 第一篇 热点、难点突破篇(练)-2021年高考数学二轮复习讲练测(浙江专用)
更新时间:2019-12-30 16:12:23
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【推荐1】已知抛物线
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