名校
解题方法
1 . 已知点
在椭圆
上,则点
到直线
的最小距离为 __ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80a47fd46072cd717442cb378d431ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d7443e57580d16c07e17f758db8155.png)
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解题方法
2 . 点P在椭圆
上,点P到直线
的最大距离与最小距离的和为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f5939c531043eb541d03082ad55c7a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f663e4246624ee4dc6a9c842be644244.png)
您最近一年使用:0次
名校
解题方法
3 . 已知
,若
,则
的最大值为________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e64541d7f445079207b6f671adc7d662.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3cf706fe2ae0b2e99041ec1f4bf9ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
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4 . 曲线
的参数方程为
(
为参数),以坐标原点
为极点,
轴的正半轴为极轴建立极坐标系,直线
的极坐标方程为
.则曲线
上的点
到直线
距离的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/655baec6bf0a96af0dbcb82cd1fd4755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbe2c6bb3c03d4a055c52f8342fccbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
5 . 已知:椭圆
:
,直线
:
,求椭圆
上一点
到直线
的距离的最大值____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914075a4574c09bdb860d8f8f09a4e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/344adca9fefabcadc7f4557071c44372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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解题方法
6 . 直线
(t为参数)被圆
截得的弦长为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/166240073f47dd65db973156d733ca9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
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2022-05-05更新
|
296次组卷
|
3卷引用:江西省吉安市安福二中、井大附中、吉安县三中、遂川二中2021-2022学年高二下学期四校联考(第三次月考)数学(文)试题
7 . 在极坐标系中,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d631d6bd157a52eeea8225ec97a7f7c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561bdaafc5dfc44484d87c6555eff4ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
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2022-04-09更新
|
612次组卷
|
3卷引用:江西省吉安市五校(安福二中、井大附中、泰和二中、遂川二中、吉安县第三中学)2021-2022学年高二3月联考数学(文)试题
名校
8 . 在极坐标系中,曲线
和曲线
交于A,B两点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c7afba7fa24b295454141892a5a986.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c61957c73cc4e1d76be63babdb46dc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88bee8e70f1fab639be1636c7bce0477.png)
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9 . 在极坐标系中,点
到直线
的距离为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ce1a60188db1d28db815a3b074fb82f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c6019a213eca9f791d21a1677dd9f6.png)
您最近一年使用:0次
2021-09-11更新
|
539次组卷
|
3卷引用:江西省上高二中2020-2021学年高二下学期第六次月考数学(文)试题
名校
10 . 在极坐标系中,以
为圆心,
为半径的圆的极坐标方程是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da55e6ba96c05408376ddfc2232cd7aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/576833b76e9cad3b523f87132308df99.png)
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