名校
解题方法
1 . 已知直线
是圆
的切线,点
和点
到
的距离相等,则直线
的方程可以是__________ .(写出一个满足条件的即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1294434b22cb5133043a2270ae1c43f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27149c9ff20937492950f42084caa019.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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名校
2 . 已知椭圆
,P为椭圆上任意一点,过点P分别作与直线
和
平行的直线,分别交
,
交于M,N两点,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd2c3f55fdb98139efd3b2a33d727a6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626e0edad44b72f12f97405175ecb096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7a89a2269d4a2a8a45d140469a9d22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb40dae2b0f4048d3fabff25e6cbe443.png)
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名校
解题方法
3 . 已知
是椭圆
的左、右焦点,
是
上一点.过点
作直线
的垂线
,过点
作直线
的垂线
.若
的交点
在
上(
均在
轴上方
,且
,则
的离心率为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a5b087c270dfc3f5ac18ebbc07edf3.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/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44434b647ec546fe787e2164e0be6cd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e131ba344a2d79c50d8690cca958c044.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2024-05-13更新
|
1260次组卷
|
4卷引用:湖南省长沙市长郡中学2024届高三下学期模拟(三)数学试题
湖南省长沙市长郡中学2024届高三下学期模拟(三)数学试题江苏省南通、扬州、泰州七市2024届高三第三次调研测试数学试题(已下线)第一套 艺体生新高考全真模拟 (三模重组卷)广东省广州市广雅中学2024届高三下学期教学情况检测(三)数学试题
解题方法
4 . 已知椭圆
的左焦点为
,若
关于直线
的对称点
恰好在
上,且直线
与
的另一个交点为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c681798734b618e5ca129d2a9837d797.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabea664e61863b3b3279dbce607924e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c681798734b618e5ca129d2a9837d797.png)
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名校
解题方法
5 . 经过椭圆
的右顶点与上顶点的直线斜率为
,则
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6b0dadb875cccce870b69409a476606.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b9df9f9821a3c9c9335b13e3344b38e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2024-04-24更新
|
1217次组卷
|
3卷引用:湖南省长沙市长郡中学2024届高三下学期二模考试数学试题
解题方法
6 . 已知圆
关于直线l对称的圆为圆
,则直线l的方程为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf7d969ee6f3131219a0ae5d40e971e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8407963d4114a4433b7a642f852197.png)
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名校
解题方法
7 . 已知直线
:
的倾斜角为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea97be7a7929046d9adf2e6411665c7.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04eed461026f69fe9ab2c5dc12af8ac7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea97be7a7929046d9adf2e6411665c7.png)
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名校
8 .
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3288f8c16375aa4c627b3428089f663.png)
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2024-04-02更新
|
212次组卷
|
3卷引用:湖南省衡阳县三校联考2023-2024学年高二下学期4月月考数学试题
湖南省衡阳县三校联考2023-2024学年高二下学期4月月考数学试题河北省保定市保定部分高中2023-2024学年高二下学期3月月考数学试题(已下线)高二下学期第三次月考模拟卷(新题型)(范围:导数+选择性必修第三册)-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第三册)
9 . 已知直线
在两坐标轴上的截距相等,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7fb7edf657e658b629f3a0de4d22d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
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10 . 已知动直线
与圆
恒有两个不同的交点
、
.设弦
的中点为
,当
变化时,总存在定点
使得
为定值,则点
的坐标______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0792930a8804925c219b70767cb41876.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb6e9693f41a982230a768aab99df9e.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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87acbf42ed0491d2203673fa53df1d98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
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