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解题方法
1 . 已知椭圆
的焦距为
是
上的任意一点,过点
作两条直线与圆
相切,切点分别为
.若当
最大时,
,则
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/341c49b3585ad1f9ed7b0cd5cc27fd2e.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/26edd7d076460e7aa7e8f319cb2be370.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb686e4f5e3938575bc547e849d5513f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1c3fa6a68a9ffe7568996974b592f7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2 . 已知过点
与圆
相切的两条直线的夹角为
,设过点
与圆
相切的两条直线的夹角为
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f515be2af9969a5a27d55eeacfc054ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c52ae4f01e98276ec3cf114ef15861.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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3 . 若直线
与圆
相切,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa910a74dbbeb72c16bda196e76d4d21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/299b9274e61eafb5bb2d07f8d5a70bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() ![]() | B.1或![]() |
C.![]() | D.![]() ![]() |
您最近一年使用:0次
2023-12-19更新
|
704次组卷
|
5卷引用:甘肃省天水市第一中学2023-2024学年高二下学期开学考试数学试题
甘肃省天水市第一中学2023-2024学年高二下学期开学考试数学试题(已下线)专题02 直线与圆的综合应用问题(九大考点)-【寒假自学课】2024年高二数学寒假提升学与练(人教A版2019)黑龙江省大庆铁人中学2023-2024学年高二上学期期末考试数学试题福建省泉州市德化第一中学2023-2024学年高二上学期第二次质量检测数学试题(已下线)期末测试卷01(测试范围:第1-4章数列)-2023-2024学年高二数学《重难点题型·高分突破》(人教A版2019选择性必修第二册)
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4 . 若直线l:
与曲线M:
有两个不同交点,则k的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c977124985cf10619855b7be63d727b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1b263d0fbe232d4a885b0e6e9a8d8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2019-03-29更新
|
614次组卷
|
3卷引用:甘肃省庆阳市庆城县陇东中学2024届高三上学期第五次月考数学试题