1 . 已知直线
与抛物线
相交于
两点,
是坐标原点.
(1)求证:
;
(2)若
是抛物线的焦点,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607f72359679464fb86224edf86a9743.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b929a31d169a811004f0ecd6b7984e61.png)
您最近一年使用:0次
2018-02-18更新
|
552次组卷
|
3卷引用:安徽省滁州市(九校)2017-2018学年高二上学期期末考试数学(理)试题