1 . 点
在圆
:
上,
,
,则
最大时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/255b03f01d1039f11f5a3ba36bce5789.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4000c677c88080cbad200ae93796ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49cba284d675a3028d7a8d54f1f8ae70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09bebb16c0ffc99a945619ae0986cadd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/255b03f01d1039f11f5a3ba36bce5789.png)
您最近一年使用:0次
2022-05-09更新
|
795次组卷
|
6卷引用:第10讲 点直线与圆的位置关系(2)
(已下线)第10讲 点直线与圆的位置关系(2)山西省晋中市2022届高三下学期5月模拟数学(文)试题山西省晋中市2022届高三下学期5月模拟数学(理科)试题山西省怀仁市第一中学校2022届高三下学期第四次模拟数学(理)试题山西省怀仁市第一中学校2022届高三下学期第四次模拟数学(文)试题(已下线)第一次月考押题卷(考试范围:第1章、第2章)(提升卷)-【单元测试】2022-2023学年高二数学分层训练AB卷(苏教版2019选择性必修第一册)
名校
解题方法
2 . 设点
是椭圆
:
上的动点,点
是圆
:
上的动点,且直线
与圆
相切,则
的最小值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fdd1989149897babe496145a3812e49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e383fcc122f267043fbafe0972bfb900.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/084cf5ffced059f5653ee2a1023518b7.png)
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2022-03-11更新
|
1988次组卷
|
4卷引用:专题06 椭圆的压轴题(6类题型+过关检测)-【常考压轴题】2023-2024学年高二数学上学期压轴题攻略(人教A版2019选择性必修第一册)
(已下线)专题06 椭圆的压轴题(6类题型+过关检测)-【常考压轴题】2023-2024学年高二数学上学期压轴题攻略(人教A版2019选择性必修第一册)河北省石家庄市2022届高三一模数学试题(已下线)专题38 椭圆及其性质-2江苏省南通市海安高级中学2024届高三上学期1月学情调研数学试题
名校
解题方法
3 . 点P是直线
上的动点,直线
与圆
分别相切于A,B两点,则当点 P的坐标为___________ 时, 切线段
的长度最短;四边形
面积的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04eea839f7af2eadf4ed40020cdbee0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/885fd9599ff0dbff75549d83d98c4c95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9597021d2b848b7f70c3f7b9e1da94a3.png)
您最近一年使用:0次
2022-02-11更新
|
394次组卷
|
4卷引用:重庆市渝西中学2022-2023学年高二上学期期末数学试题
4 . 已知
为双曲线
:
上一点,
,
为双曲线
的左、右焦点,
,
分别为
的重心、内心.若
轴,则
内切圆的半径为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a44342c2ee26a279265225982499b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f30bb85b5ac23bef82a36baf05876d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33d776753746914c2410a3946c357f35.png)
您最近一年使用:0次
21-22高二·江苏·单元测试
名校
解题方法
5 . 设P为直线3x+4y+3=0上的动点,过点P作圆C:x2+y2-2x-2y+1=0的两条切线,切点分别为A,B,则四边形PACB的面积的最小值为________ .
您最近一年使用:0次
2021-11-18更新
|
695次组卷
|
4卷引用:辽宁省葫芦岛市2023届高三第一次模拟考试数学试题
辽宁省葫芦岛市2023届高三第一次模拟考试数学试题(已下线)第2章 圆与方程(章末测试提高卷)-2021-2022学年高二数学同步单元测试定心卷(苏教版2019选择性必修第一册)第一章 直线与圆 综合培优卷天津市第二十中学2023-2024学年高三下学期第三次统练数学试卷
2021高三·全国·专题练习
6 . 设P为直线3x-4y+11=0上的动点,过点P作圆C:x2+y2-2x-2y+1=0的两条切线,切点分别为A,B,则四边形PACB面积的最小值为________ .
您最近一年使用:0次
名校
7 . 已知圆
,直线
,
为
上的动点,过点
作圆
的切线
,切点为
,则
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c817f4d0025a23a8042f96ba5933ad52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3ce6e716f2a085b503b1ba7c8fc00cd.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a9ce08214287236b3eb3f490a15e28b.png)
您最近一年使用:0次
2021-03-30更新
|
468次组卷
|
2卷引用:江苏省南京市第一中学2023-2024学年高三上学期8月月考数学试题
解题方法
8 . 已知椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
的左右焦点分别为F1,F2,若以F2为圆心,
为半径作圆F2,过椭圆上一点P作此圆的切线,切点为T,且|PT|的最大值不超过![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
,则椭圆
的离心率的取值范围是_______________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433503e70f37f0588882cb8ce3f27f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9db8d3facff8f90f28a936fc5b3ab878.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/379818f6e8fd6f709bf1559579d55a0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2021-01-31更新
|
187次组卷
|
3卷引用:第2课时 课中 椭圆的几何性质
名校
9 . 若直线
上存在满足以下条件的点
过点
作圆
的两条切线(切点分别为
,
),四边形
的面积等于6,则实数
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d00a5df9d281dd4e1e45bf6a4d6fb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/569675dd7b2aca2732324f4bea5c02e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79382ba44ba669b5d43fdd5427adf16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771a7a9e485517a3c1a529608104f32f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2020-12-13更新
|
127次组卷
|
2卷引用:河北省石家庄市第二十七中学2023-2024学年高二上学期第三次月考数学试题
名校
解题方法
10 . 已知直线
,
分别与半径为1的圆O相切于点A,B,
,若点M在圆O的内部(不含边界),且
,则实数
的取值范围是____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/867c35057aa0687f50cb090aee3c2fcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e18793d43c026eac831012c60ef1579.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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