名校
解题方法
1 . 已知和两条异面直线都垂直相交的直线叫做两条异面直线的公垂线,公垂线与两条直线相交的点所形成的线段,叫做这两条异面直线的公垂线段.两条异面直线的公垂线段的长度,叫做这两条异面直线的距离.如图,在棱长为1的正方体
中,点
在
上,且
;点
在
上,且
.则下列结论正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/1db74639-949f-4d10-85c5-93e000301825.png?resizew=178)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df8d320bee31b074de41d98a662f9a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fd4c85bb98a2a0afddd7ed92578ad2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73021f964178d175673b6ff9fe2b8e0c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/14/1db74639-949f-4d10-85c5-93e000301825.png?resizew=178)
A.线段![]() ![]() ![]() |
B.异面直线![]() ![]() ![]() |
C.点![]() ![]() ![]() |
D.点![]() ![]() ![]() |
您最近一年使用:0次
2024-01-24更新
|
260次组卷
|
2卷引用:贵州省贵阳市2023-2024学年高二上学期期末考试数学试卷
解题方法
2 . 已知函数
,
.
(1)求
在
处的切线方程;
(2)当
时,
,数列
满足
,且
,证明:
;
(3)当
时,
恒成立,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d986f7e47d288006e99ee7dcfe04e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d4457c1e88f428c2e98770959f7a2e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e75f1050d7eafd80ac379f0fedf2fe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d6f4a302d3a9023c0a82b889f4ba918.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2251dc81292a17b6e6bf8a4beefd06af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b462bac5f3e21319598d52cfc75414fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bfad06200477816cf838c4ca01817fd9.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
您最近一年使用:0次
解题方法
3 . 我们知道
与
(
且
)互为反函数,它们具有以下性质:①图象关于直线
对称;②
的定义域是
的值域,
的值域是
的定义域,反之亦然;③若点
在函数
的图象上,则点
一定在函数
的图象上.
(1)若函数
与
互为反函数,求实数a,b的值;
(2)运用(1)题中得到的函数
,若对
,使得
成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82869dad28f771d088772a2c2b08b187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c400a615a16a1662de98dfb4e49d58d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82869dad28f771d088772a2c2b08b187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82869dad28f771d088772a2c2b08b187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a64d924836b4292239d9726c6473d7f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da53929a8f67b9aa3827fdbd73ebd265.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/493d16a261e909d2faf6b5386b8fa5d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82869dad28f771d088772a2c2b08b187.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bab3a3d264dba79d3e2995bec4ad3ea5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb1a3f631ea291a932f4bc466556a2c1.png)
(2)运用(1)题中得到的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/976472fb4679ad2d8ec2f928f684650b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d25a5b1e41c9fa76ece3b27d81b0e8f.png)
您最近一年使用:0次
解题方法
4 . 已知函数
的图象与直线
只有一个交点,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22ec5b96b94e319f367bebe64a95180.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c50866229ec5a3640fb250f9bd2192b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/380bbacf854e30e2e747fc286d2b9997.png)
您最近一年使用:0次
解题方法
5 . 已知
不是常数函数,且满足:
.①请写出函数
的一个解析式_________ ;②将你写出的解析式
得到新的函数
,若
,则实数a的值为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18a8a9d79a3e0ae1ac03c874c7c6caa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cd283b96778ee18fa785383b5107e71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0eb7df298a9364b36e079a61caec815c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4a880176a4707912382bccb0bdaa5ce.png)
您最近一年使用:0次
2024-01-21更新
|
704次组卷
|
5卷引用:贵州省六盘水市2022-2023学年高一上学期期末教学质量监测数学试题
贵州省六盘水市2022-2023学年高一上学期期末教学质量监测数学试题2024届高三新改革适应性模拟测试数学试卷一(九省联考题型)福建省部分优质高中2023-2024学年高一下学期入学质量抽测数学试卷(已下线)黄金卷05(2024新题型)(已下线)专题03y=Asin(ωx+φ)的综合性质期末8种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)
名校
6 . 如图,在四棱锥
中,底面四边形
为直角梯形,
,
,
,
为
的中点,
,
.
平面
;
(2)求平面
与平面
所成锐二面角的余弦值.
![](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/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf9194bd849f2648721a4d0222a375e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7eb3d1070981fed5ca65a34bb2282e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5d81ff3813d9829264e36483a2926b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc6f007dbf1c1a36eb031e520608403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
2024-01-16更新
|
2097次组卷
|
7卷引用:贵州省黔东南州2022年-2023学年高二上学期期末考试数学试题
贵州省黔东南州2022年-2023学年高二上学期期末考试数学试题(已下线)高二上学期期中考前必刷卷01(范围:第一章~第二章)-2023-2024学年高二数学上学期期中考点大串讲(人教A版2019选择性必修第一册)山东省淄博市第七中学2023-2024学年高二上学期期末数学试题(已下线)2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题变式题16-19湖南省2024届高三数学新改革适应性训练二(九省联考题型)广东省珠海市香樟中学2023-2024学年高二下学期开学收心练习数学试题山西省介休市第一中学校2022-2023学年高二上学期开学考试数学试题
名校
解题方法
7 . 已知函数
.
(1)当
时,证明:
.
(2)试问
是否为
的极值点?说明你的理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc3eb38deba5a3008e2ee5026b7d2865.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99923994f2c1721fc07450b4b9656980.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5c5fdeae3d9934cbc3f916bd7fbf496.png)
(2)试问
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2024-01-09更新
|
549次组卷
|
4卷引用:贵州省黔东南苗族侗族自治州2024届高三12月统测(一模)数学试题
名校
解题方法
8 . 已知椭圆C:
(
)的离心率为
,左顶点A到右焦点
的距离为3.
(1)求椭圆
的方程;
(2)设直线
与椭圆
交于不同两点
,
(不同于A),且直线
和
的斜率之积与椭圆的离心率互为相反数,求
在
上的射影
的轨迹方程.
![](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/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设直线
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50b3ae183997b707d16eb4e7f6712fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
您最近一年使用:0次
2024-01-07更新
|
1308次组卷
|
3卷引用:贵州省贵阳市第一中学2023-2024学年高三上学期高考适应性月考(四)(12月)数学试题
贵州省贵阳市第一中学2023-2024学年高三上学期高考适应性月考(四)(12月)数学试题江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(九)(已下线)专题18 圆锥曲线高频压轴解答题(16大核心考点)(讲义)-1
名校
9 . 窗花是贴在窗纸或窗户玻璃上的剪纸,是中国古老的传统民间艺术.如图甲是一张由卷曲纹和回纹构成的正六边形剪纸窗花,如图乙所示其外框是边长为4的正六边形
,内部圆的圆心为该正六边形的中心
,圆
的半径为2,点
在圆
上运动,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e935ea0ff92439073b664459845b4392.png)
A.-8 | B.-4 | C.0 | D.4 |
您最近一年使用:0次
2024-01-07更新
|
751次组卷
|
3卷引用:贵州省贵阳市第一中学2023-2024学年高三上学期高考适应性月考(四)(12月)数学试题
贵州省贵阳市第一中学2023-2024学年高三上学期高考适应性月考(四)(12月)数学试题(已下线)专题01 平面向量压轴题(2)-【常考压轴题】天津市第一中学2023-2024学年高一下学期期中数学试题
解题方法
10 . 正方体
的棱长为1,点
分别为棱
,
,
,
的中点,
为线段
上的动点,过
的平面截正方体所得的截面记为S,则下列命题正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74fed74ddc1f0c98f59178e576650a58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/394c5d2f55221975503be8aa18022480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fbafedc202bd0d86c4dfdece9f8f4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad74f90f6e6893d41d31b52407869da9.png)
A.当![]() ![]() |
B.当![]() ![]() |
C.当![]() |
D.当![]() ![]() ![]() ![]() |
您最近一年使用:0次