1 . 已知函数
的导函数为
,e为自然对数的底数.
(1)若函数
在
上有零点,求
的取值范围;
(2)若
,
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/607058f2badf5a9e5775f60f5efaf588.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4b04824a308519a61318a82aa97a05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f832d9cca2d5c9d76d38374e2a258d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32277b954907e9c224b432f2b1ac5625.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2卷引用:四川省泸州市2021-2022学年高二下学期期末数学(理)试题
2 . 已知函数
.
(1)求
的单调区间;
(2)若函数
有两个极值点
且
恒成立,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f5c42977fc375c40c56916854ab5204.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea9b56ac132d710603c1af8bf78e706.png)
您最近一年使用:0次
名校
3 . 已知点
是椭圆
的左顶点,椭圆
的离心率为
,
(1)求椭圆
的方程;
(2)斜率为
的直线交椭圆
于
两点,点
在椭圆
上,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893d4e8d70ea2c716ac7b6c1777a77f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd2419f7bffae4789adc7de33cbdd84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59747cee312ee5140643428cae79efa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67c9d8937bfe160302b4b4aa8cd0282e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9610b9296750c15a274f9636b6cf078e.png)
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2卷引用:四川省泸县第四中学2022-2023学年高三上学期期末考试数学(文)试题
4 . 已知函数
.
(1)讨论
的单调性;
(2)若
,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b58af76c76f24d33367f7d08eff4bf6.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
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名校
5 . 已知函数
.
(1)若
,求
的单调区间;
(2)若函数
有两个极值点
且
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2abc488cf2e78481f05e5a1845943c44.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1d318d706ca4ec954246a292293b91a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea9b56ac132d710603c1af8bf78e706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3卷引用:四川省遂宁市2021-2022学年高二下学期期末数学文科试题
6 . 已知函数
在
和
处取得极值.
(1)求a,b的值;
(2)若函数
的图象与抛物线
恰有三个不同交点,求m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1711740fbe8dfac6b86b1b7f3cb5d2a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ee794dd59f507682a671db06fb8d77f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(1)求a,b的值;
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecad6e55def0372acd6bddb87100232f.png)
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4卷引用:四川省遂宁市2021-2022学年高二下学期期末数学文科试题
四川省遂宁市2021-2022学年高二下学期期末数学文科试题四川省遂宁市2021-2022学年高二下学期期末数学(理科)试题(已下线)5.3.2~5.3.3 极大值与极小值、最大值与最小值 (1)(已下线)模块四 专题3 期末重组练(四川)
7 . 已知函数
.
(1)讨论
的单调性;
(2)证明:若
,
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b58af76c76f24d33367f7d08eff4bf6.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbdc729607cf42c430488ff4bd2cd4f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
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5卷引用:四川省凉山彝族自治州2021-2022学年高二下学期期末数学(理)试题
四川省凉山彝族自治州2021-2022学年高二下学期期末数学(理)试题山西省大同市2022-2023学年高二上学期期末数学试题(已下线)9.6 导数的综合运用(精练)(已下线)拓展十二:导数大题的8种常见考法总结(2)(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
解题方法
8 . 已知函数
,
,且函数
恰为曲线
在
处的切线.
(1)求实数
、
的值;
(2)若对于任意
,不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa22bc5e01ebca6f27449627b77da97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3090f888306340c651d46c1ad32cdb52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
(2)若对于任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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3卷引用:四川省绵阳市2021-2022学年高二下学期期末数学理科试题
9 . 已知
.
(1)求
的极值点;
(2)若不等式
存在正数解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96f7ee70bb503aa82ca3583dc9f1d3f3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd300684af2e4c048ab801cd3209a61e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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4卷引用:四川省眉山市2021-2022学年高二下学期期末数学(理)试题
10 . 已知函数
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37796a66aa5296a744f97b89159deac7.png)
(1)讨论函数
的单调性;
(2)证明:函数
在定义域上只有一个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d88d5d9d5c28b0a9e1216c2ea344896a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641922b42528065f5b137f7acbb2cbd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37796a66aa5296a744f97b89159deac7.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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3卷引用:四川省眉山市2021-2022学年高二下学期期末数学(文)试题
四川省眉山市2021-2022学年高二下学期期末数学(文)试题四川省眉山市2021-2022学年高二下学期期末数学(理)试题(已下线)5.2.3 简单复合函数的导数(分层作业)-【上好课】2022-2023学年高二数学同步备课系列(人教A版2019选择性必修第二册)