名校
解题方法
1 . 如图,已知平行六面体中,底面
是边长为1的菱形,
,
(1)求线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabe764f05300ac83c7d16b685d27af4.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5d7097c852a83e79453dd6fb244ac10.png)
您最近一年使用:0次
2023-01-11更新
|
430次组卷
|
6卷引用:重庆实验外国语学校2022-2023学年高二上学期期末数学试题
重庆实验外国语学校2022-2023学年高二上学期期末数学试题(已下线)第02讲 1.1.2空间向量的数量积运算(7类热点题型讲练)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)(已下线)高二上学期第一次月考十八大题型归纳(拔尖篇)(1)(已下线)专题01空间向量及其运算(4个知识点8种题型3个易错点)(2)(已下线)专题02 空间向量的数量积运算6种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)(已下线)通关练01 空间向量的运算及应用11考点精练(3)
2 . 已知椭圆
经过
,
两点.
(1)求椭圆上的动点T到
的最短距离;
(2)直线AB与x轴交于点
,过点M作不垂直于坐标轴且与AB不重合的直线l与椭圆交于C,D两点,直线AC,BD分别交直线
于P,Q两点.求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32366143230ca122894a4bada7c7b96d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879472805d78656a200ef4ae2ca1ac77.png)
(1)求椭圆上的动点T到
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f36374ce95a4945d0e58264c2b271f.png)
(2)直线AB与x轴交于点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b62769b7177ef4bc952dc1dd51d6b510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9be13ea579d4b0048acba77db6b6ac4f.png)
您最近一年使用:0次
2023-02-15更新
|
529次组卷
|
3卷引用:重庆市杨家坪中学2022-2023学年高二下学期第一次月考数学试题
名校
解题方法
3 . 在平面五边形
中(如图1),
是梯形,
,
,
,
,
是等边三角形.现将
沿
折起,连接
,
得四棱锥
(如图2)且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/18/0cc5a5f4-2dac-4d22-b39b-01af047ed223.png?resizew=327)
(1)求证:平面
平面
;
(2)在棱
上有点
,满足
,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9142a8490de14a87eda628ffa7e28982.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e0a957a55460c72673c0f2ee90dbb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25eb757d05fbff80d50c3bb8dbcb8657.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68b40d0d2f3cdd8981bb792ad87efb42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af260e0d98c95d1e092dc4c6d348e3ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaee8f228ff24e7c89879bb5b999cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fc56c77464a17a1e97b568762a3e2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c753cb1eb73fd8d136d00462970797.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e60673e10b708be3e65a8c916356f22.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/1/18/0cc5a5f4-2dac-4d22-b39b-01af047ed223.png?resizew=327)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abb27f8d654064a92f9d7a11e586ab5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)在棱
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccaee8f228ff24e7c89879bb5b999cf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f85a3984ff5650e5845789b3b23f99.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0730e73ddbbf9184df15d3b1467e55e7.png)
您最近一年使用:0次
2023-01-15更新
|
581次组卷
|
3卷引用:重庆市育才中学校2022-2023学年高二上学期期末数学试题
重庆市育才中学校2022-2023学年高二上学期期末数学试题(已下线)第6章:空间向量与立体几何 章末检测试卷-【题型分类归纳】2022-2023学年高二数学同步讲与练(苏教版2019选择性必修第二册)云南省昆明市五华区云南师大实验中学2023-2024学年高二上学期11月月考数学试题
名校
解题方法
4 . 在四棱锥
中,底面
是矩形,
平面
,
,
,线段
的中点为
,点
为
上的点,且
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/294b95ba-d038-4e89-a48e-91be812807c4.png?resizew=205)
(1)求证:平面
平面
;
(2)求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2753753faf2cb9a0003aa8e3945159.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12d3d97021a64f7a2ff5136f0836992c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/3/294b95ba-d038-4e89-a48e-91be812807c4.png?resizew=205)
(1)求证:平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91a2712f9cc643d4983d37c9dfe880ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41a7841fca64062a1f2112de9e696921.png)
您最近一年使用:0次
名校
解题方法
5 . 在数列{
}中,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6bc173c6a06e111b6738870a4cb85.png)
(1)求证:
是等比数列:
(2)求数列{
}的前n项和
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d6bc173c6a06e111b6738870a4cb85.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7d94406136605c5bc9cd9295d6c9fa.png)
(2)求数列{
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
您最近一年使用:0次
2023-01-15更新
|
625次组卷
|
4卷引用:重庆市育才中学校2022-2023学年高二上学期期末数学试题
6 . 如图,在三棱柱
中,
⊥平面
,
是边长为2的正三角形,
,
分别为
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/268d39fb-0456-4e5a-ad9d-198fa7ab922e.png?resizew=224)
(1)求证:
⊥平面
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/9/268d39fb-0456-4e5a-ad9d-198fa7ab922e.png?resizew=224)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69bcb3226e013650b7d8827c31dd41d0.png)
您最近一年使用:0次
解题方法
7 . 已知函数
为奇函数.
(1)求实数
的值;
(2)判断并证明
在
上的单调性;
(3)若对任意
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ce35470cbf92e2ce0b961a823b53545.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)判断并证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
(3)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e6ee7eb6654a0677b6221bed483b010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2022-07-13更新
|
3343次组卷
|
6卷引用:重庆市九龙坡区2021-2022学年高二下学期期末数学试题
重庆市九龙坡区2021-2022学年高二下学期期末数学试题河北省唐山英才国际学校2022-2023学年高一上学期11月月考数学试题陕西省西安高新唐南中学2022-2023学年高一上学期期末数学试题广东省东莞市东莞外国语学校2022-2023学年高一下学期第一次段考(2月)数学试题河南省安阳市龙安高级中学2023-2024学年高一上学期第二次月考数学(已下线)第17讲 指数函数及性质八大题型总结(2)-【同步题型讲义】(人教A版2019必修第一册)
8 . 已知函数
.
(1)求
的图象在点
处的切线方程,并证明
的图象上除点
以外的所有点都在这条切线的上方;
(2)若函数
,
,证明:
.(其中
为自然对数的底数)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ed99a74e126a05cb520f19c094020.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1f84134092f31767ff9f7e8200a79fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4659c95581c58d8dc521d8ad320336d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bdf992ef1768052803c33cf270ac0f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad422556b651c96334782717567e1813.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
您最近一年使用:0次
名校
解题方法
9 . 已知椭圆
过点
,且离心率为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆E的标准方程;
(2)若直线l与椭圆E相切,过点
作直线l的垂线,垂足为N,O为坐标原点,证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b54b9cf95418bc3dce6e4c698b9907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆E的标准方程;
(2)若直线l与椭圆E相切,过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80c9dcfd9f4c5298035870cb88a34169.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/291a0231b8630f8eda4245105ef7c38b.png)
您最近一年使用:0次
2023-03-29更新
|
2196次组卷
|
7卷引用:重庆外国语学校(四川外国语大学附属外国语学校)2022-2023学年高二下学期5月月考数学试题
名校
解题方法
10 . 已知函数
.
(1)求函数
的单调区间和最大值;
(2)设函数
有两个零点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/493c5747bc6d9445fe2afe60a3b5bec5.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/147646cd9e3edaf051ee2acdf6737c33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
您最近一年使用:0次
2023-03-12更新
|
1206次组卷
|
4卷引用:重庆市杨家坪中学2022-2023学年高二下学期第一次月考数学试题