名校
解题方法
1 . 如图,在棱长为
的正四面体
中,点
、
、
分别在棱
、
、
上,且平面
平面
,
为
内一点,记三棱锥
的体积为
,设
,对于函数
,则( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/6ed4bf58-a614-4143-8c10-96f3b194e26c.png?resizew=133)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70444e3a66d1068038c5b5a77c7954aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6795cae2df43a722e1355e9562d93c09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f493c82f97e7318c2ea054e2c800542.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/661ff55b5ebbadfb600989af3cfce2fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/169f33b3e7bf16c1ec868c5e2c60492b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5884a6433b3c69e37f79d1336791742c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e4d385f8c1a62ca0c9d1639782bc0a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/6ed4bf58-a614-4143-8c10-96f3b194e26c.png?resizew=133)
A.当![]() ![]() |
B.函数![]() ![]() |
C.函数![]() ![]() |
D.存在![]() ![]() ![]() ![]() |
您最近一年使用:0次
名校
解题方法
2 . 如图,正方体
的棱长为4,点P在正方形
的边界及其内部运动.平面区域W由所有满足
的点P组成,则四面体
的体积的取值范围_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b53e5fbec5c0af3391c7e18f47335e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aab98011d732d4094e4e881b0bd2bd6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/18/2b35f9fd-83b2-48b8-a58d-dce2725b8142.png?resizew=175)
您最近一年使用:0次
2022-11-15更新
|
1042次组卷
|
8卷引用:北京市交通大学附属中学2023届高三上学期12月诊断练习数学试题
北京市交通大学附属中学2023届高三上学期12月诊断练习数学试题黑龙江省佳木斯市第十二中学2022-2023学年高二上学期开学考试数学试卷(已下线)专题07 立体几何小题常考全归类(精讲精练)-3(已下线)专题7-2 立体几何压轴小题:角度与动点、体积(讲+练)-2浙江省杭州第四中学吴山校区2022-2023学年高二上学期期末数学试题重庆市部分学校2023-2024学年高二上学期期中数学试题浙江省嘉兴市第一中学2023-2024学年高二上学期12月阶段测试数学试卷(已下线)第11章 简单几何体(压轴题专练)-2023-2024学年高二数学单元速记·巧练(沪教版2020必修第三册)
名校
3 . 已知函数
,
.
(1)求函数
的最小值;
(2)求函数
的单调区间;
(3)求证:直线
不是曲线
的切线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5316c24082cc29a83d75efae82097053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/803905ac8f35d5c8ee41f90472c8382d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
您最近一年使用:0次
22-23高三上·北京·期中
名校
4 . 已知函数
,
.
(1)当
时,求曲线
在点
处的切线方程;
(2)求函数
在区间
上的最小值;
(3)求证:“
”是“函数
在区间
上单调递增”的充分不必要条件.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5a945dc25143acb627269838973e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7754cc9374c8193dadb6875fb8a3fefb.png)
(3)求证:“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1422e1561be02d6571ef98b424f05f0d.png)
您最近一年使用:0次
5 . 已知函数
.
(1)求函数
的单调递增区间;
(2)设
,试判断曲线
与直线
在区间
上交点的个数,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cb66bff79107c998262f15f3eb3e91d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/585de67a3fc494297d375d339af6d153.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083479b94380e8d659eff92d10a1989d.png)
您最近一年使用:0次
2022-11-08更新
|
500次组卷
|
3卷引用:北京市通州区2023届高三上学期期中质量检测数学试题
名校
解题方法
6 . 设集合
,
,
,
中至少有两个元素,且
满足:①对于任意
,若
,都有
;②对于任意
,若
,则
;
(1)判断下列两组集合是否满足要求:
(ⅰ)若
,则
;
(ⅱ)若
,则
;
(2)证明:若
有
个元素,则
有
个元素.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eef9096420672673840303a14f0fb636.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c6f228e37ac7282f2f013eda7395683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fe7fd9b0c3c203a053a7ea52b71e7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c36aecba41f6f5ff0d46a29dccaaf01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a11a069688e4c797fcf527eab15afa82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8339eab9c659e50db86828b65f825e22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/566d386cbedb1c8750f4837633c2af64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a5abe56c019ac914e1fcde1865a747.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5718e9c8baa106b447f9fae23e730de.png)
(1)判断下列两组集合是否满足要求:
(ⅰ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e1540256cea69dcfb735c3e03eccdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d04d7b603e86497db23bc2b124a8e5c.png)
(ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dbc6c0414c93f1dd3e4945bd34d082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76bd82972fa678045162f19fee8142f.png)
(2)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8860d9787671b53b1ab68b3d526f5ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af500a4e28d6f5b38390b7642eb96ed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b06e95b57b7a81cd81d05557a11fa92.png)
您最近一年使用:0次
名校
7 . 已知正项数列
满足
,则下列说法正确的有__________ .
①若
,则
;
②若
,则数列
中有无穷多项大于
;
③存在
,使数列
是单调递增数列;
④存在实数
,使
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d8a8bb1b6451016503909ccd219ff9.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d2b2d4f703cbaa738a7cdfc7129c17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d5908ae0701a7a274c497de8fbc09c.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6156ab07402fab39a614d1f3ff196944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
③存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390636a89883bd64bf8da9bf8654aff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
④存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dde5d241198df2ce915ac5348524d312.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734ca454b38a9f81e3af38201972be79.png)
您最近一年使用:0次
2022-11-04更新
|
644次组卷
|
3卷引用:北京师范大学附属实验中学2023届高三上学期期中数学试题
名校
解题方法
8 . 已知函数
,且
.
(1)求实数
的值,并求函数
的最大值和最小值;
(2)函数
,若对任意
,总存在
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d67f858371a244113eb6d18c8b331051.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6b5320a6f673d6c2e70a815adaf2440.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05822c9db80a25aac9f30abc4a23cd30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0496d81c441e6cfa9c26ff7e83746eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ae67abf7472261475250220905c97c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/626f73fe4e46045a195a8c5e09ae6e9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
名校
9 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)当
时,证明:函数
在区间
上有且仅有一个零点;
(3)若对任意
,不等式
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb562094aa9f1a4b3ad846f5b15f4f48.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee74589d2315942a29327b8397482530.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
(3)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7194c9f32e883622bc35321a56f593b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-11-04更新
|
1073次组卷
|
4卷引用:北京市海淀区2023届高三上学期期中数学试题
名校
解题方法
10 . 已知
是各项均为正数的无穷数列,其前
项和为
,且
.给出下列四个结论:
①
;
②
;
③对任意的
,都有
;
④存在常数
,使得对任意的
,都有
,
其中所有正确结论的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a519c34b3220007c58f56b8190dfcd1b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d59c6d9991a45e22d257cc8f23c64e4.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199d9f93ae241a3f470ebe4f8264e36c.png)
③对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e25531b417aa51e1237a96e6fc061633.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93f39dd7fbd497b8d3daeaff48376ec.png)
④存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee6bf90a1bbeea09e1b7206975a99f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1505d56f0b35fe7f2de1fe1888036e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b75fee6645fff7fb0c2b2d40f4ddb727.png)
其中所有正确结论的序号是
您最近一年使用:0次
2022-11-04更新
|
1325次组卷
|
5卷引用:北京市朝阳区2023届高三上学期期中质量检测数学试题