解题方法
1 . 已知抛物线
的焦点为F,P为C上一点,点
,
,设
取最小值和最大值时对应的点分别为
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbf76033463e0dd2fb01f3c058a8c681.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01e5c320d78ef38e330176c335cc58e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d9cc98e6df306063e645044f0faa7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b28d760b56950131b77784adf6845fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
A.4 | B.3 | C.2 | D.1 |
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2022-01-03更新
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3174次组卷
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3卷引用:专题10 解析几何1