已知O为坐标原点,抛物线C:
的焦点为F,P是C上在第一象限内的一点,PF与x轴垂直,
.
(1)求C的方程;
(2)经过点F的直线l与C交于异于点P的A,B两点,若
的面积为
,求l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/717d001374b588da3282f3f9f86cc555.png)
(1)求C的方程;
(2)经过点F的直线l与C交于异于点P的A,B两点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9bb52bec7f09eaf568dca3b4a4fc717.png)
更新时间:2022-12-17 13:07:25
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【推荐2】已知直线
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名校
【推荐1】已知抛物线
和
的焦点分别为
,
,点
,且
为坐标原点).
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的方程;
(2)过点
的直线交
的下半部分于点
,交
的左半部分于点
,求
面积的最小值.
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f2443170a974f8bb043e330e083c92c.png)
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解题方法
【推荐2】已知抛物线
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