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1 . 已知抛物线
,倾斜角为锐角
的直线过其焦点
并与抛物线交于两点
,下列正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f709c2b3d4b0d76d9debaa49a823726.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
A.抛物线上的点到点![]() ![]() | B.三角形![]() ![]() |
C.抛物线在点![]() ![]() | D.若![]() ![]() |
您最近一年使用:0次
A.抛物线上的点到点![]() ![]() | B.三角形![]() ![]() |
C.抛物线在点![]() ![]() | D.若![]() ![]() |