解题方法
1 . 已知F是椭圆E:
的右焦点,P是椭圆E上一点,Q是圆C:
上一点,则
的最小值为__________ ,此时直线PQ的斜率为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80b861ba40387cb2bcd04945f5a371a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1082b59700b31ecfec30c56eb87e8b55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d20db071a2fafb3fbda563d0af014aa.png)
您最近一年使用:0次
2022-03-19更新
|
806次组卷
|
6卷引用:甘肃省平凉市2022届高三第二次模拟考试理科数学试题
名校
解题方法
2 . 已知抛物线
的焦点
到准线
的距离为2,若点
在抛物线上,且点
到
的距离为
,
在圆
上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
______ ,
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49dc46b8da6e54c9bd73760fd23723c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df5be1440d099f464ef46dee39de6010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e8d8142e7868f3fcdd0029d28c29e78.png)
您最近一年使用:0次