名校
1 . 已知函数
,其中a为非零常数.
讨论
的极值点个数,并说明理由;
若
,
证明:
在区间
内有且仅有1个零点;
设
为
的极值点,
为
的零点且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/547a529375ea314a0e4f552a1f124864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e63138f920c05c2c0e4d1567c77e6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/372470aee75717ec33c53c3434eb126d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2dfaa0e63b9c720093ab80e2ed24c9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c18eca8193d91e13a240dec14be339cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5cbf1211335bcbc0ebb05414669eda0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040135d64192de075ba0cc9f11ddbc9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca8325e253d8c7d9f93de39db5c4b20a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d095d38de6613fa452d0a46b6f00b7f.png)
您最近一年使用:0次
2020-01-30更新
|
1030次组卷
|
7卷引用:2020届河南省平顶山市第一中学高三下学期开学检测(线上)文数试题
2020届河南省平顶山市第一中学高三下学期开学检测(线上)文数试题2020届湖北省黄冈市高三上学期期末数学(理)试题2020届湖北省第五届高考测评活动高三元月调考理科数学试题2020届广东省广州市执信中学高三2月月考数学(理)试题(已下线)必刷卷10-2020年高考数学必刷试卷(新高考)【学科网名师堂】-《2020年新高考政策解读与配套资源》安徽师范大学附属中学2019-2020学年高三下学期2月第一次月考理科数学试题(已下线)卷10-2020年高考数学冲刺逆袭必备卷(山东、海南专用)【学科网名师堂】
名校
2 . 已知函数
.
(1)若
恰有两个零点,求a的取值范围;
(2)若
的两个零点分别为
(
),求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e498dc0ac7b435ae0b600df63b9e2950.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4d60d1ff5429bd35707fd80d714dc93.png)
您最近一年使用:0次
2024-04-01更新
|
652次组卷
|
5卷引用:河南省叶县高级中学2023-2024学年高二下学期3月月考数学试题
名校
解题方法
3 . (1)已知数列
为等差数列,且
,
,求数列
的通项公式;
(2)已知数列
满足
,
,记
,求证:数列
是等差数列,并求出数列
的通项公式.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5a1b2b30017d0a086aaca7d2b5283c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b13a6e1d671215fc96e4bee3541d1096.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37933cfc60b4bd29f1684687ddd2cbd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)已知数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86fc336b4a83bf6d66c4afcc431597f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4246613582ad4c0ba61531226bc1e3a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f47f53e669af3e665f01a3462581e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
您最近一年使用:0次
2023-11-23更新
|
515次组卷
|
3卷引用:河南省平顶山市第一高级中学2023-2024学年高三上学期阶段测试数学试题(11月)
河南省平顶山市第一高级中学2023-2024学年高三上学期阶段测试数学试题(11月)山东省烟台市栖霞一中2024届高三上学期12月月考数学试题(已下线)考点1 等差数列的定义与判断 2024届高考数学考点总动员【练】
名校
解题方法
4 . 已知定义域为
的函数
是奇函数.
(1)求
的值;
(2)判断
的单调性并用定义证明;
(3)若存在
,使
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f144eb16ccabdaf4fecd6006e46c8e9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若存在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98761ab330c4a2e9d4c2cc7c55e7c5fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d597aeca56c56462b4c809a2f7af89c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-11-16更新
|
2048次组卷
|
9卷引用:河南省平顶山市鲁山一中2019-2020学年高一上学期12月月考数学试题
河南省平顶山市鲁山一中2019-2020学年高一上学期12月月考数学试题2015-2016学年湖南省益阳市箴言中学高一12月月考数学试卷福建省莆田第九中学2017-2018学年高一上学期第二次月考(12月)数学试题安徽省安庆市第二中学2019-2020学年高一上学期期中数学试题广东省东莞市韩林高级中学2023-2024学年高一上学期期中数学试题安徽省合肥市六校联盟2023-2024学年高一上学期11月期中考试数学试题安徽省合肥市重点中学2023-2024学年高一上学期期中联考数学试题广东省北京师范大学珠海分校附属外国语学校2021-2022学年高一上学期期末模拟数学试题北京市海淀区教师进修学校附属实验学校2023-2024学年高一上学期12月月考数学试卷
名校
解题方法
5 . 如图,在梯形
中,
,
,
,
,
,点
满足
,把
沿
折起到
,使得
,其中
分别为
,
,
的中点.
(1)证明:
;
(2)求三棱锥
的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae1e04eeb4de72e5750dae77bcb6f88a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0d5a2cd05e4476fc72271e8fdb59a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d79e7020414add95907e061df505ef0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e991c6d2a8757d728e34f7c5241cbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e742966e3711cfa53dce04022acf4bcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85c4bdfb0db1e31e8459df1d15f9ab55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b6accdd9b317c922d335e44911df357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f82a30d6b232dc4d8f35d2d6e0e0f42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df41affef71f4e2478dc85a6c5330a60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e490f703eb6c9bb1278c78ebc2d661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/20/6e3b8fbb-994a-44f8-afba-afd16cc94c00.png?resizew=351)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/832f51e49422388ae22e8bf5b17b5448.png)
(2)求三棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/543c3b2beb11fbc94d66570bfbed3ea8.png)
您最近一年使用:0次
2023-07-18更新
|
335次组卷
|
2卷引用:河南省平顶山市汝州市第二高级中学2022-2023学年高一下学期期末考试数学试题
名校
6 . 如图,在四棱锥
中,底面
为菱形,且
,
,
交于点N,
为等腰直角三角形,
,点M为棱
的中点.
//平面
;
(2)若平面
平面
,求直线
与平面
所成角的正弦值.
![](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/ea4f5eec0addba78f2e0cdfb7ecc59a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55a675310c8ba418e5a59beb7317e21e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
(2)若平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
您最近一年使用:0次
2023-07-18更新
|
594次组卷
|
2卷引用:河南省平顶山市汝州市第二高级中学2022-2023学年高一下学期期末考试数学试题
名校
7 . 如图,在四棱锥
中,
,
,
,平面
平面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/024b3534-63be-4cff-ab5c-9699558becd0.png?resizew=174)
(1)证明:
;
(2)求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f571396be1aa4a8914a66f7d7abd6381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e2893b7fb544f317b106c524d24dae1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2326aec8ad50e9ab475f1cb2cd49e8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78a3fd5284e160896f07ce367645fd04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/20/024b3534-63be-4cff-ab5c-9699558becd0.png?resizew=174)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b71c3c9fe52ad7ab87da571a72c4eea2.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
.
(1)当
时,证明:
;
(2)若关于
的不等式
恒成立,求整数
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3afbc5bc72f59c051190c9f85854691e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c2e0bb6d63b7bcaee92a470d58cc399.png)
(2)若关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d66764c9a68b01177781c1061f4901a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2023-08-02更新
|
1092次组卷
|
9卷引用:河南省平顶山市鲁山县第一高级中学2023-2024学年高三上学期11月期阶段测试数学试题
河南省平顶山市鲁山县第一高级中学2023-2024学年高三上学期11月期阶段测试数学试题江西省九江市2022-2023学年高二下学期期末调研测试数学试题广东省揭阳市普宁国贤学校2024届高三上学期开学考试数学试题宁夏回族自治区银川一中2024届高三上学期第一次月考数学(文)试题(已下线)第六章 导数与不等式恒成立问题 专题八 单变量恒成立问题综合训练辽宁省沈阳市重点高中联合体2023-2024学年高三上学期11月期中检测数学试题河南省焦作市第一中学2024届高三上学期9月月考数学试题陕西省渭南市三贤中学2024届高三下学期名校学术联盟高考模拟信息卷押题卷文科数学试题(一)陕西省渭南市三贤中学2024届高三下学期名校学术联盟高考模拟信息卷押题卷理科数学试题(一)
9 . 已知函数
.
(1)求
的图象在点
处的切线方程;
(2)求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2fd05055fdcc2257f2615e9b9af1579.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求证:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0e9c04402a0ffdaa25c3e3c82c7dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6e14173b0ef5efb60d7f0ce271e67c6.png)
您最近一年使用:0次
解题方法
10 . 如图所示,直四棱柱
中,
,
,
,
,E为侧棱
的中点.
(1)求证:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
平面BDE;
(2)求直线
与平面BDE所成的角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb2dd10731b99c0f4f89ee957f8a239.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a755edadca4e4fc27fd49559b8d691ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3829997d8af2e692f030cb359761f27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08ad8d16722f5b9e7fd2602f14d5ffbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/7/c201352a-a73f-45eb-9aef-7392140dcd6b.png?resizew=162)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83c09eec4e14a861af83d7828797d176.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/638537c0a30676c73fea76c80e0f8bd0.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fe734023d4e70010a6b2cc3267cb86e.png)
您最近一年使用:0次