名校
1 . 已知函数
(
,
为自然对数的底数).
(1)讨论函数
的单调性;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39c7d502016162b581464297f7444d03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/324c5822114cf4bf2063fb2ddaa27e52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41f8ae199db6fb88d06f9b40c4937f71.png)
您最近一年使用:0次
2023-06-15更新
|
893次组卷
|
3卷引用:湖南省常德市第一中学2022届高三考前二模数学试题
2 . 已知函数
.
(1)若
是
的极值点,求a;
(2)若
,
分别是
的零点和极值点,证明下面①,②中的一个.
①当
时,
;②当
时,
.
注:如果选择①,②分别解答,则按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/719a6309ef24da108180f866ebbc052c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/880a0146023767282bffe07f7c22f613.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34efece0b628625e78e19c389556d48d.png)
注:如果选择①,②分别解答,则按第一个解答计分.
您最近一年使用:0次
2022-12-26更新
|
2057次组卷
|
7卷引用:2022年9月《浙江省新高考研究卷》(全国I卷)数学试题(五)
2022年9月《浙江省新高考研究卷》(全国I卷)数学试题(五)重庆市万州第二高级中学2023届高三三诊数学试题湖南省株洲市二中教育集团2023届高三上学期1月期末联考数学试题(已下线)技巧04 结构不良问题解题策略(精讲精练)-1(已下线)专题4 劣构题题型(已下线)高考新题型-一元函数的导数及其应用(已下线)技巧04 结构不良问题解题策略(5大题型)(练习)
解题方法
3 . 已知数列
满足
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95cae75fa078f0961c2966220d895b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c92aa912f0e077e18b40bcb2d35de084.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
4 . 已知函数
.
(1)若
是函数
的极值点,证明:
;
(2)证明:对于
,存在
的极值点
,
满足
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1947fd8b1e5fa9096c13256fdb3a23ed.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6133358b60e493e01a4c1c0a48d7b89e.png)
(2)证明:对于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d12d0bd9afdd4e53ff37f5bfcaa1106c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1974c74aa530c586016005f0b11c82dd.png)
您最近一年使用:0次
名校
解题方法
5 . 已知函数
,
.
(1)若
,求
的单调区间;
(2)若
不单调,且
.
(i)证明:
;
(ii)若
,且
,证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfdb5b4af7065aff73cd419c3ceb3f6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/773ca22fc12ade9e60dbc749ba5cfa73.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](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/41f3df8bf24d2c68add3f3de3efc4147.png)
(i)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ebdc5c7c685628cde405f4e3b2c2bfa.png)
(ii)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2e45e961dd36b8f85703c91f248da3b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4241f203e44badea3701d18b614ea3f.png)
您最近一年使用:0次
2022-12-26更新
|
1055次组卷
|
3卷引用:2022年9月《浙江省新高考研究卷》(全国I卷)数学试题(三)
2022年9月《浙江省新高考研究卷》(全国I卷)数学试题(三)天津市第一中学2023届高三下学期第五次月考数学试题(已下线)期末真题必刷基础60题(31个考点专练)【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一、二册)
6 . 若
,
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87726873432d880c4f3c14d5dee6af33.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25e8d7d9c43b12ef51f366217af2d5b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6beb4f357aa46a9078ccbac132ef3a8a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022·全国·模拟预测
解题方法
7 . 已知函数
,
.
(1)当
时,求证:
.
(2)令
,若
的两个极值点分别为m,n(m<n).
①当
时,求曲线
在
,
处的切线方程(
为
的导函数);
②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a39fb4746011157bdfceae7315ea11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959e6ffc5dac0d71aa0393c0877dc91f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58a6252e652cf095ea30565dc53dee64.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adca47fb3667e6707265f5279688cf1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36d71f015144ffaf1faec94a259b4a06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1be7302f2e9ff02fee3fcf26e77b1c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c985d6a1e024804ccd86092e4e020cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628255703e0ab0e9eed8106850e81bb.png)
您最近一年使用:0次
名校
8 . 已知函数
.
(1)讨论
的单调性;
(2)若方程
有两个不相等的实根
,
,求实数a的取值范围,并证明
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81d9dfe0bbb67167d9f28e75f3191f05.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf3565da2c4ec9aaa7114accb5003939.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e38365748004a4f3c1697e3e792600.png)
您最近一年使用:0次
2022-12-03更新
|
1017次组卷
|
3卷引用:河南省新乡市2022-2023学年高三第一次模拟考试理科数学试题
名校
解题方法
9 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01ed389dc0e554c7ee33e7e8cdc8555.png)
且
在
上单调递增,
.
(1)当
取最小值时,证明
恒成立.
(2)对
,
,使得
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01ed389dc0e554c7ee33e7e8cdc8555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3e896d56217e06642a3f1d6101dbdaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f28b08682efa2692b052f64fe1448fce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912c9516c9ae7c380273e5f340d525e6.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/240a1d17b2744e5d02e6f5a84db2243b.png)
(2)对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0611c36a2f79d11c8d7c15f84c73aaca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13e90e6725d034fc98f9977e6727ea55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59e2ddf7617eab3917f3b921ba87895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2022-11-23更新
|
735次组卷
|
3卷引用:湖南省郴州市原创试题评比参评2022届高三高考模拟数学试题(安仁一中命制)
湖南省郴州市原创试题评比参评2022届高三高考模拟数学试题(安仁一中命制)(已下线)第七章 导数与不等式能成立(有解)问题 专题四 双变量能成立(有解)问题的解法 微点2 双变量双函数能成立(有解)问题的解法(一)四川省宜宾市第六中学校2024届高三上学期期末数学(文)试题
名校
解题方法
10 . 已知函数
,当
时,
.
(1)求
的取值范围;
(2)求证:
(
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab9b0f783f0b6a8b7c2e214e4f04d11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a969d095c0823f185d563feea0f5ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a37a59558292ad6b3d0978bfd7484990.png)
您最近一年使用:0次
2022-11-04更新
|
976次组卷
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5卷引用:四川省绵阳八一中学2022-2023学年高三上学期第三次模拟考试数学理科试题