名校
解题方法
1 . 如图,在三棱柱
中,底面
是以
为斜边的等腰直角三角形,侧面
为菱形,点
在底面上的投影为
的中点
,且
.
(1)求证:
;
(2)求点
到侧面
的距离;
(3)在线段
上是否存在点
,使得直线
与侧面
所成角的余弦值为
?若存在,请求出
的长;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ac61c24f99a4e466f1e2ea011893866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/19/72c4c98d-ee41-4e09-9044-82670098fcd2.png?resizew=179)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a382ccd078374f1efebb26a43599e596.png)
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
(3)在线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11ddc92d84d188c66b435664a7e7b5a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9edc50f7febbc2d5d8dcdc23a3630a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e27511b095e8e96719af8bc9a7412ac1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce1b066f8869d0ff4513f7a99745125.png)
您最近一年使用:0次
2023-10-18更新
|
947次组卷
|
9卷引用:天津市梧桐中学2022-2023学年高三上学期期末数学试题
天津市梧桐中学2022-2023学年高三上学期期末数学试题上海市虹口区2023届高考一模数学试题(已下线)专题08 立体几何解答题常考全归类(精讲精练)-1(已下线)专题8-2 立体几何中的角和距离问题(含探索性问题)-3(已下线)6.3.4空间距离的计算(3)上海市行知中学2023-2024学年高二上学期10月月考数学试题(已下线)湖南省长沙市长郡中学2024届高三上学期月考(二)数学试题变式题19-22(已下线)考点13 立体几何中的探究问题 2024届高考数学考点总动员【练】(已下线)专题06 用空间向量研究距离、夹角问题10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)
解题方法
2 . 已知函数
,若函数
有9个不同的零点,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b9b2815ca39ac04fec50b4f8287728b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a634207fbe456d614de64e66aab60dc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
3 . 已知下列命题
①函数
的定义域为
;
②函数
与
的图象关于直线
对称;
③若函数
是
上的单调递增函数,则
;
④函数
(其中
)的一部分图象如图所示,则
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/e79ff785-e44c-4268-9fb7-f94255ccb995.png?resizew=111)
其中正确命题的序号为__________ .
①函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fb49d7bae35f02e4a2ede5c14ed1e09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac767ee208266e9340d903f82517e98.png)
②函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99b161347f6a2fcfd9bf0acf1e8a03fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808bd2fc4b344e7669fca65b4fa122df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
③若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18ad61cb3ec8b1e57179f3feb625c7c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f1b5a8d36a2c51143d30ec71ecfc442.png)
④函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/884a566e78bf6a47d901871960c1d000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b14fd82a003d2169031a410c5aa7cce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b9b50493db5bace567ec6bda1924cd.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/e79ff785-e44c-4268-9fb7-f94255ccb995.png?resizew=111)
其中正确命题的序号为
您最近一年使用:0次
解题方法
4 . 若实数
,且
,则
的最小值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aff6218bf087b1346d8e56829c7f551.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5558c083d34cbb0a58d3ce1dc6f5778e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ce6a58d98d24f225b49def425235454.png)
A.2 | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913e7932046c12454c1fa81d80d50109.png)
(1)若
的解集为
,求实数
的值;
(2)若
对
恒成立,求实数
的取值范围;
(3)若
,求关于
的不等式
的解集.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913e7932046c12454c1fa81d80d50109.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58196b9e63ec00aa1119052b6de6ae12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/027753c9d83c949939d750c10e2de74d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebadf71a3c73c1d82ae821018a7f67c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a976d91358362fa49d6da8021fd47e2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a21999cf89f325c5f1c6de7f45707b8.png)
您最近一年使用:0次
6 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e63f5e55fa52bfd33b893b43450f80e.png)
(1)已知函数
,若方程
在
上有四个不相等的实数根,求:实数
的取值范围;
(2)若函数
的定义域为
,求:函数
的最值;
(3)
,不等式
恒成立,求:实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e63f5e55fa52bfd33b893b43450f80e.png)
(1)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4866901bf4c72adda935fddce76ed10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bee6edcd14735d5ffc686caf41bbbe91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9af3016ebe0c067782b2e6ef771c955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d3475f7a186b113ceac3a918d20e238.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c8b67c150cb8f83b41f8ecf1d5ee0fc.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad0be5ff925023d33f7305c204a22243.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bf384a5fc8e162385160a4f79bd638e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
7 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0d5569d5650cd4387f437249a35e7b.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e077c134951be8db27ee90e16b36fea2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b0d5569d5650cd4387f437249a35e7b.png)
您最近一年使用:0次
解题方法
8 . 已知函数
是定义在
上的奇函数,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00df19485275a1f757190548dda1e6a.png)
(1)求
的值及
的解析式;
(2)用定义法证明函数
在
上单调递增;
(3)若不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed227ee9384a0521f73a40a5a4692dcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b00df19485275a1f757190548dda1e6a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)用定义法证明函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7f5b0a30ab298992f621cc60cec550.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
解题方法
9 . 设
,则
的大小关系是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/024df88a8456b609ba098c7e39cc5f3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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10 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b7dc2b692c45aa3b05266c0d75ee3d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7844754462f54856964e483a96f22e35.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次