名校
解题方法
1 . 已知双曲线
:
(
,
)的左顶点为
,右焦点为
,离心率
,点
到渐近线的距离为
.
(1)求双曲线
的方程;
(2)设
是双曲线
上任意一点,且
在第一象限,直线
与
的倾斜角分别为
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0276541c12707b24d2f06ea3d976cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/907d5147cea4c9ce855074864fe54506.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/943b765718479c160ba61ec5c6f8c5f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e29bf5652f0d4f764c3606efcdb445f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/627ee09d3f1877bab045061060559cb0.png)
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名校
2 . 曲线
:
上到直线
距离最短的点坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7c90837a3cb9465cedff2118381feed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/435739218483a95f494351617cbbcbc3.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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3 . 在长方体
中,
,
,
,以
为原点,
、
、
所在直线分别为
轴、
轴、
轴的正方向,建立空间直角坐标系,则点
可用有序数组
表示.空间中任意一点可用有序数组
表示,定义空间中两点
,
的距离
.
为边
(含端点)上的动点,证明:
为定值;
(2)
,
,
为空间中任意三点,证明:
;
(3)若
,
,其中
、
、
,求满足
的点
的个数
,并证明从这
个点中任取11个点,其中必存在4个点,它们共面或者以它们为顶点的三棱锥体积不大于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de5d5dc7fd9e2a9ebac16a4147979d13.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9ce42d7ae1d4b67045e78c3ab05f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf9e23910557d245d6e7d5959d91e135.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a334cd1d83ebe328877006f689e28bf9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4f605ec0729ce6d72237ad662a06862.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8337706c550bc095d7a2bd872221a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c66066f64a28eb515f8de3a4e063292e.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/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3953cec61ac602ce5eb59b7912352179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5ff1d52b11822af84e82488a9e546e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d594e1827f2d6d03295009b1ed75b3d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0f92b567c6128f0ada19a3b7a243abb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2beb0dd80eb2f71473e399c1332ce71f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2f0eabf0b9199ff58f94b72507b051a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e50c35157956d1d4679598ee26bd408d.png)
(2)
![](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/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f63a978622110d66c5fdb4c9ed08539b.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c289e83620c6a6f873d116eed1e053f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba96eac12eb5f43f43b74d7f513f725e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9314bd1d7a6e070f4f2428f9a321804e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ecc49abb6be7701f68cfc09598c324.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9c7f3377167e892a662c15787b372f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
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4 . 设
分别为椭圆
的左、右焦点,
是椭圆
短轴的一个顶点,已知
的面积为
.如图,
是椭圆上不重合的三个点,原点
是
的重心.
的方程;
(2)求点
到直线
的距离的最大值;
(3)判断
的面积是否为定值,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.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/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f157835b40cacb56f34b082a9818744.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0eee53153cf9b55eb8a9b443db53387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4ee479000026b54146a5c6097dd6f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4a63d14654c66cc71bf26293d698ec.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c4ee479000026b54146a5c6097dd6f4.png)
您最近一年使用:0次
2024-05-09更新
|
481次组卷
|
2卷引用:福建省泉州市永春第一中学2023-2024学年高二下学期4月期中考试数学试题
名校
解题方法
5 . “曼哈顿距离”是人脸识别中一种重要的测距方式.其定义为:如果在平面直角坐标系中,点
的坐标分别为
,那么称
为
两点间的曼哈顿距离.
(1)已知点
分别在直线
上,点
与点
的曼哈顿距离分别为
,求
和
的最小值;
(2)已知点
是曲线
上的动点,其中
,点
与点
的曼哈顿距离
记为
,求
的最大值.参考数据
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b6037359d2727b05ee33db9e2c36226.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/093c6d5bcaa69cea79b24688f5d1bd97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c37a37e91dd29058e66d8d905e5580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00535516e08775f69df930f449f4469e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25ce60648ea5042ab5eb5702efe651a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88c37a37e91dd29058e66d8d905e5580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f77e22dd917201d812897e3b4d1c52ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3edc218828907b5918bf9d755eb98ea3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17a9be71b631f37d8a88bc7bd030aa79.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e18b23c806c5c76de3244b015911e73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d25e70d37af93796965efc8d342185.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad135b14c9dcd83eab6618d7694c7b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93f513553d63e9c87a70dd6aa57f97b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c33d08de0e3d2643654f22543132491.png)
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2024-05-02更新
|
110次组卷
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2卷引用:福建省福宁古五校教学联合体2023-2024学年高二下学期期中质量监测数学试题
2024高三·全国·专题练习
名校
6 . 设
为
的展开式的各项系数之和,
,
,
表示不超过实数x的最大整数
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f825375d819cbb0e0c7d10d8febbe5a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307a51627ca8a0d1d51248a4d6e8c151.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a905fc45df738469bde1b8ef4d9ccc25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c51159984b2cb00f30b3986315019623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0573696a2f0bcc70b56b5aae9552365d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3ca8b7d7997cf021470a94a8d247e22.png)
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2024-03-09更新
|
1019次组卷
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5卷引用:福建省福州第八中学2023-2024学年高二下学期期中考试数学试卷
福建省福州第八中学2023-2024学年高二下学期期中考试数学试卷(已下线)技巧02 填空题的答题技巧(8大核心考点)(讲义)湖北省黄冈市浠水县第一中学2024届高三下学期第二次模拟考试数学试题(已下线)压轴题05数列压轴题15题型汇总-2(已下线)【练】专题二 二项式定理应用问题(压轴大全)
名校
7 . 已知点
在
上,点
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c3a9b723303acf1669d4d88a7172b99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/241ce9bd28046ce9b90f43b391132884.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d429efe96d68065e7d433c996682791d.png)
A.点![]() ![]() ![]() |
B.满足![]() ![]() |
C.过直线![]() ![]() ![]() ![]() ![]() |
D.![]() ![]() |
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名校
解题方法
8 . 如图,已知正方体
的棱长为
,
为底面正方形
内(含边界)的一动点,则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/25/e6aef2bf-758e-41dc-a1b9-e2cefe8f58a4.png?resizew=169)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/25/e6aef2bf-758e-41dc-a1b9-e2cefe8f58a4.png?resizew=169)
A.存在点![]() ![]() ![]() |
B.三棱锥![]() |
C.当点![]() ![]() ![]() ![]() |
D.若点![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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2023-11-15更新
|
892次组卷
|
2卷引用:福建省厦门第一中学2024届高三上学期期中考试数学试题
9 . 已知直线l:
和圆C:
.
(1)直线l恒过一定点M,求出点M坐标;
(2)当m为何值时,直线l被圆C所截得的弦长最短,求出弦长;
(3)在(2)的前提下,直线
是过点
且与直线l平行的直线,求圆心在直线
上,且与圆
外切的动圆中半径最小的圆的标准方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5cd04b417e7f4974a917a6a83e8aec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e257606e06cbc6cfb4701c0aeb5d5c8a.png)
(1)直线l恒过一定点M,求出点M坐标;
(2)当m为何值时,直线l被圆C所截得的弦长最短,求出弦长;
(3)在(2)的前提下,直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72ef0cc5999eecd066aee7730cc3e923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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2023-10-16更新
|
531次组卷
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3卷引用:福建省莆田市锦江中学2023-2024学年高二上学期期中数学试题
名校
解题方法
10 . 已知函数
,函数
,若
,
使
成立,则实数
的取值范围为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8cd39238fbab4ee625cbd23e1907942.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5d18808776926fdecff838a9727d814.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcbdf82a270cdf9727c161f99ca0b528.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e009e9aff4e2dd326de8cfab7edeb4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4923d050cf9e199482f0f74ad1303167.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2023-10-04更新
|
289次组卷
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2卷引用:福建省莆田第五中学2023-2024学年高二上学期期中考试数学试题