名校
1 . 抛物线
上一点
到抛物线准线的距离为
,点
关于
轴的对称点为
,
为坐标原点,
的内切圆与
切于点
,点
为内切圆上任意一点,则
的取值范围为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8516f71467b419293fa27df70bdaed74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53ef4efbff159924bdb1f06fc2176f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e93941f67a248bdbedb285b4e40500.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8189f7b0ffe4d20bf0fad43b4ed589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c0840f2c8a920076839b7fac11ffbe.png)
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2017-03-02更新
|
3706次组卷
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9卷引用:安徽省安庆市2023届安庆第一中学高考三模数学试题
安徽省安庆市2023届安庆第一中学高考三模数学试题2017届云南省云南师范大学附属中学高三高考适应性月考(五)文数试卷四川省成都市树德中学2017-2018学年高二12月月考数学(理)试题(已下线)黄金30题系列 高二年级数学(文) 小题好拿分【提升版】四川省成都市郫都区2019-2020学年高二上学期期中数学试题江苏省扬州市广陵区扬州中学2019-2020学年高二上学期12月月考数学试题(已下线)专题5.3 解析几何中的范围问题-玩转压轴题,进军满分之2021高考数学选择题填空题广东省珠海市第一中学2023届高三下学期2月阶段性考试数学试题黑龙江省齐齐哈尔市部分地区2022-2023学年高三上学期1月期末考试数学试题
2 . 在直角坐标系
中,曲线
的参数方程为![](https://img.xkw.com/dksih/QBM/2016/2/22/1572489983975424/1572489989996544/STEM/919c8c3955894f8280bb1c50b6cd7239.png)
.若以该直角坐标系的原点
为极点,
轴的正半轴为极轴建立极坐标系,曲线
的极坐标方程为:
(其中
为常数)
(1)若曲线
与曲线
只有一个公共点,求
的取值范围;
(2)当
时,求曲线
上的点与曲线
上点的最小距离
![](https://img.xkw.com/dksih/QBM/2016/2/22/1572489983975424/1572489989996544/STEM/a090857b7f8b4c6a96b343f6d813c7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/2016/2/22/1572489983975424/1572489989996544/STEM/919c8c3955894f8280bb1c50b6cd7239.png)
![](https://img.xkw.com/dksih/QBM/2016/2/22/1572489983975424/1572489989996544/STEM/0776c3e003d24842b04cd573e587e710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://img.xkw.com/dksih/QBM/2016/2/22/1572489983975424/1572489989996544/STEM/7c5120a7cf1347f295d42a4b1ab7fe55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93bb3d6c02f08a64f3e73a629ef86504.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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