名校
解题方法
1 . 如图,已知直线
,点
是
,
之间的一个定点,点
到
,
的距离分别为1,2.点
是直线
上一个动点,过点
作
,交直线
于点
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1095c036b49c3327baaa2c3c7f746134.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822ba132ca9dd0d4a050659aef3c9b26.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147ab2d582e60bee6d81b27236e7288b.png)
A.![]() | B.![]() ![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-08-13更新
|
1281次组卷
|
6卷引用:浙江省温州市2021-2022学年高二下学期学考模拟测试数学试题
名校
解题方法
2 . 若直线
与函数
图象交于不同的两点
,且点
,若点
满足
,则
的取值范围是_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ceaedfbc9e853ab8c9c184f4b5cf7017.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6df0430b7aeff34e2f4bb7104ad6ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16c9f25703e265026af2d481e64414d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/518dfce0a9aab04171383586c5077146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0322424b14475b282db33ba88c341c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fd1f0ace9ca0b79929e73af6c201c2e.png)
您最近一年使用:0次
名校
解题方法
3 . 已知双曲线
的左、右焦点分别是
,
,点C是双曲线
右支上异于顶点的点,点D在直线
上,且满足
,
.若
,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c409da48201d5ae29ea8aeec35cb1b40.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/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54b53b86bd516400d6fa7dabb3603f31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7116a18c352a12a8592d41526a89e4e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71b8e5990ef4ef314941a3154457a9d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa7cf0d3e674cff92c3bd014d701cb68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
A.3 | B.4 | C.5 | D.6 |
您最近一年使用:0次
2022-11-25更新
|
1071次组卷
|
5卷引用:上海市建平中学2023届高三上学期期中数学试题
上海市建平中学2023届高三上学期期中数学试题山西大学附属中学校2022-2023学年高二上学期12月月考数学试题(已下线)专题22 圆锥曲线的离心率问题-3(已下线)高二下期中真题精选(压轴40题专练)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)河北省邯郸市魏县第五中学2022-2023学年高二上学期期末数学试题
解题方法
4 . 已知椭圆
:
(
)的左、右顶点分别
,
,上顶点为
,
,
的长轴长比短轴长大6.
(1)求椭圆
的方程;
(2)斜率不为0的直线
交
于
,
两点(异于点
),且
,证明:直线
恒过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25542d512877cec6713c102ccef241f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)斜率不为0的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ddd5be522eacb5ca13c1c483a9e9a932.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
5 . 已知
为单位向量,
,
,当
取到最大值时,
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3dc64abe49847ade9b78678ba1f8e0e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c79a3df984288055b7bcfa602866bc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e474a0b9240cd12eddddcfdbbca7be7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfaf8279481e31e730f866dd047f9224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf09447d51cedcff2bee1ad875962516.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
6 . 已知
,若存在
,
,使得
与
夹角为60°,且
,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ea446002f6308359bbf24bd7e57a633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ab4717e4827480f0f6f4ded85e52eab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b2de9481be18b794def593f12df139f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82bb2f0a60e80a7fba25e9e6fc92d71a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a68b1af8c29ccfc94053d455431c327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77a4dbdd8cda818dca04f7ee298b7015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bce159a87b4067b93054d4ae98aad12.png)
您最近一年使用:0次
名校
7 . 在平行四边形ABCD中,点E在边AB上,且
,点F为线段BD上的一动点(包含端点),若
,则
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb2391d26d5710c097b66d3e86784d92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e57520a43019026938a05d6c4f23375c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/587b693b82241eb9c32cdbb96c209f33.png)
您最近一年使用:0次
8 . 已知
为平面单位向量,平面向量
满足
,则
的最小值为___________ ,最大值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6f858109018e7cd82517d248c6f2fd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a92e6eba8dab638fd66831cd3a0b6d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c138a8b445b2a4f479b5ec0d752c9169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f575f4cd86732d4f462c22b1259a402.png)
您最近一年使用:0次
解题方法
9 . 如图,正六边形的边长为2,点
为正六边形的中心,若点
在正六边形的外接圆上运动,点
在半径为1的小圆
上且关于圆心
对称,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61557cca4e2f97defc23aeb18b13f724.png)
__________ ;
的最大值为__________ .
![](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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61557cca4e2f97defc23aeb18b13f724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a10f8bd40e4a7f293185f31d2ef8a0f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/19/79e5b134-8f00-423d-851a-8d297ad6d8e7.png?resizew=136)
您最近一年使用:0次
10 . 在三角形ABC中,已知
,
,D是BC的中点,三角形ABC的面积为6
,则AD的长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4671479845d903d20b5831987037a1eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de08e9e977f8997b0a7d351bf338c1fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-07-08更新
|
1353次组卷
|
4卷引用:浙江省绍兴市2021-2022学年高一下学期期末数学试题