名校
解题方法
1 . 已知
,
,过
轴上一点
分别作两圆的切线,切点分别是
,
,求
的最小值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53fa113df40e714eb6c343f740a53e4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77b85573d62c169b1e36ed6299f367c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed1b3031d7393a63719166285314d73f.png)
您最近一年使用:0次
解题方法
2 . 已知点M在直线
上,点P在圆
上,过点M引圆C的两条切线,切点分别为A,B,则
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea0ebea8c46d415c3ee394f201b3865d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf403ffe0ea3647c53782ea0dd5618f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59880e470359d8e9faf6ae5ce155cf2a.png)
您最近一年使用:0次
3 . 在双曲线
中,把以原点为圆心、实轴长为直径的圆
叫做双曲线
的“伴随圆”,过双曲线
上任意一点
(顶点除外)作“伴随圆”
的两条切线,切点分别为
、
,若直线
在
、
轴上的截距分别为
、
,双曲线
的离心率为2,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316121fda44788cf7309270a426389e9.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316121fda44788cf7309270a426389e9.png)
您最近一年使用:0次
名校
4 . 已知圆
,直线
经过点
,且
与圆
相切,则
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12f62686f6f9118291c444a8d5a4d0f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f114df5ceabdb7e5fd3fdad4eaf056.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-05-08更新
|
273次组卷
|
2卷引用:云南省昆明市第八中学2023-2024学年高二下学期月考二数学试卷
解题方法
5 . 已知点 M在曲线
上,过M作圆
的切线,切点分别为A,B,则四边形MACB的面积的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223cf57be5499bab6d7bf063f1ef1dbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9428eb20ebf093a6e36bd29da678d8a.png)
A.![]() | B.![]() | C.3 | D.9 |
您最近一年使用:0次
名校
6 . 已知圆
.
(1)若过点
向圆C作切线l,求切线l的方程;
(2)若Q为直线
上的动点,
是圆
上的动点,定点
,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/997765e2c34222992649cb946218df55.png)
(1)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a436db19eb954d31075d5398f1b92ecd.png)
(2)若Q为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b2a29cc492d67e2a8a46631f21245c0.png)
![](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/1bf1bfd30237dce059d0107506d7be9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/350a38070bdc27207946be17d5f70223.png)
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7 . 若直线
与曲线
,
都相切,则
的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7186a0a143460905e117dd9dc17c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e6bedb066ee81c299629cccf35f186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
8 . 过点
作圆
的切线
,直线
与直线
平行,则直线
与
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577620a3b886932bbcf2f2f3dd725d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb542e6dfdaad8d50d9206f90d85b22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe0a98defcad0583c073d828c074730.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.4 | B.2 | C.![]() | D.![]() |
您最近一年使用:0次
2024-04-16更新
|
354次组卷
|
2卷引用:云南省昆明市云南师范大学附属中学2023-2024学年高二下学期教学测评月考(五)数学试题
9 . 从圆
外一点
向这个圆作两条切线,则两切线夹角(锐角或直角)的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ccdaeee0b57a30d81df9cf2bc7825f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9a3ea5e76e165faeabfdbc9717c287.png)
A.![]() | B.![]() | C.![]() | D.6 |
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名校
解题方法
10 . 已知
为抛物线
上的动点,
为圆
上的动点,若
的最小值为
.
的值![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1d918e7fb74176679d526cdfc8fa16.png)
(2)若动点
在
轴上方,过
作圆
的两条切线分别交抛物线
于另外两点
,
,且满足
,求直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f32be681ecfdd5463567671d1ee034d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/beb5a2650c9029c8352b073eeeff2c53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3d87446c9ef0230285d9b08127fce5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9563540452712a60d70f76cf22a868c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e1d918e7fb74176679d526cdfc8fa16.png)
(2)若动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/2a30f3a8b673cc28bd90c50cf1a35281.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/a5b0bec6e780130fbed900fdb153555d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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2024-04-13更新
|
723次组卷
|
4卷引用:山东省菏泽第一中学人民路校区2024届高三下学期3月月考数学试题