名校
解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f1f70164cf0b8b0d2443abd03a911e.png)
(1)当
时,求函数
的极值;
(2)设函数
有两个极值点
,且
,若
恒成立,求
最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f1f70164cf0b8b0d2443abd03a911e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e65397f11ea8af736f38debadf420c4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2210f152080d9a68a97c805f5c1cde96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3758849ada685e72a46268a580554f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2卷引用:江西省新八校2024届高三第二次联考数学试题
名校
解题方法
2 . 设
为复数,且
,下列命题中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd54c7c10eb936f22d7cc1a6095c290a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55867478e05d3de0b51a99d685127beb.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
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名校
3 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d3dde7a56984f02a0282998ec6b2f05.png)
A.![]() ![]() | B.![]() ![]() ![]() |
C.![]() | D.![]() ![]() ![]() |
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3卷引用:江西省宜春市宜丰中学2023-2024学年高二下学期6月月考数学试题(创新部)
江西省宜春市宜丰中学2023-2024学年高二下学期6月月考数学试题(创新部)广东省广州市2024届普通高中毕业班综合测试(二)广州二模数学试卷(已下线)第三章 第一节 导数的概念及运算【同步课时】提升卷
名校
解题方法
4 . 给出以下三个材料:
①若函数
的导数为
,
的导数叫做
的二阶导数,记作
.类似地,二阶导数
的导数叫做
的三阶导数,记作
,三阶导数
的导数叫做
的四阶导数…,一般地,n-1阶导数的导数叫做
的n阶导数,即
,
;
②若
,定义
;③若函数
在包含
的某个开区间
上具有n阶的导数,那么对于
有
,我们将
称为函数
在点
处的n阶泰勒展开式.例如,
在点
处的n阶泰勒展开式为
.根据以上三段材料,完成下面的题目:
(1)若
,
在点
处的3阶泰勒展开式分别为
,
,求出
,
;
(2)比较(1)中
与
的大小;
(3)证明:
.
①若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10acd6d864583617dd3e71240bf0c857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10acd6d864583617dd3e71240bf0c857.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def752070b9e674fdd3c7a632647ab54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/def752070b9e674fdd3c7a632647ab54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f71c87ca0e7fa8ad0a24f8d5a2854ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5818ede14d21f6df9ef9c2bfe09286c.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9c55d08be2a0f694e1e948319be61c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4562f3225c98cf5cb11b47d98c9cc9c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f9b92a1988f20c45e8ba3887eeb6b7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/849fe9a00128b39200a5defc403fe827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abb76da45ffa52b47c3a6b9a03ac7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eae1b87c23b45ce5e5e74d5b1d73234.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/083f05aeb79c34207ddc2b162b8ce49f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/369f4888f6214b4472cd16e45139ec88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78bf48ae91b57fc73e6303a829446a71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6d4c5149174ffd7f841718d6af7fb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1eac268e854f1d13a101ec88af5afd2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6d4c5149174ffd7f841718d6af7fb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1eac268e854f1d13a101ec88af5afd2.png)
(2)比较(1)中
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bffc9c4bf9de4d804885955aff039ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea6d4c5149174ffd7f841718d6af7fb0.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18f1656e376d8067d4766f1cc14e56cd.png)
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5 . 已知函数
,
,则下列命题不正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e25d0373387c74f4a145f5077381a975.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
A.![]() | B.![]() ![]() |
C.存在实数![]() ![]() | D.![]() ![]() |
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2卷引用:江西省鹰潭市2024届高三第二次模拟考试数学试卷
名校
6 . 定义:设
和
均为定义在
上的函数,其导函数分别为
,
,若不等式
对任意
恒成立,则称
和
为区间
上的“友好函数”.
(1)若
和
是“友好函数”,求
的取值范围;
(2)给出两组函数:①
,
;②
,
,分别判断这两组函数是否为
上的“友好函数”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2b2c3252d8371afaddf69bcc633f8be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bb6324279df94decba955e04ccfa9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e105760638b22b26ff8bec4354255e4c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e54f38c13f26cd12acfbebecc83c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a10e5c7ac3c66e7e269a36119899ef41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)给出两组函数:①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57dff434ff946b8ae010de8d8cfaccb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ec4fa3b5534a782bbddc28c41826d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77b63e6bf2740efd054cfa0d8c7edc35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b780cf4fb1016e183c8135e31b5953f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
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解题方法
7 . 若对任意的
,不等式
恒成立,则
的最大整数值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f85ad2f8c06af4eabd647a760498bf5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2024-05-11更新
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8 . 复数
满足
(
是虚数单位),则在复平面内
对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6e319b8538dc1fb17eaf2d29904d79c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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解题方法
9 . 已知不等式
恒成立,则实数a的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5aa8cddcd35cdfc54d2f226c53a840f.png)
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10 . 已知函数
,
,当
时,不等式
恒成立,则实数
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e48e122f77be80102e5e6eb37eb1da3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6d50c91dca7c2da1974ee0871806b54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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6卷引用:江西省南昌市第十九中学2024届高三下学期第五次模拟考试数学试卷
江西省南昌市第十九中学2024届高三下学期第五次模拟考试数学试卷江苏省盐城中学、南京二十九中联考2023-2024学年高二下学期4月期中数学试题四川省遂宁市射洪中学校2024届高三高考考前热身数学(文)试题四川省射洪中学校2024届高三高考考前热身理科数学试题(已下线)期末模拟卷-【好题汇编】备战2023-2024学年高二数学下学期期末真题分类汇编(天津专用)(已下线)导数及其应用-综合测试卷A卷