名校
解题方法
1 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程:
(2)若
恒成立,求实数
的取值范围;
(3)证明:
(
,
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6326d0794c9e7eb511e0be733ce09114.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a882037b9ce104ecc496e0f31a139361.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa4a9b57fc3a19a572c2959a7004fe7d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5479b9a3456d44b5fabdf6a408569fc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8d099cabd8b3578b00abbf80e37f9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10e468312d09c6563c9094b710a35a65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
您最近一年使用:0次
2024-01-31更新
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1832次组卷
|
3卷引用:辽宁省沈阳市第二中学2024届高三下学期开学考试数学试题
2 . 已知函数
,(
,
).
(1)讨论函数
的单调性;
(2)若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1139dccb9e35e41b750bf66b4e996330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4dc334f806ac8924be42bbded1b885a.png)
您最近一年使用:0次
解题方法
3 . 已知质数
,且曲线
在点
处的切线方程为
.
(1)求m的值;
(2)证明:对一切
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14e2da4647a9925ccc924b0f9f3b40ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ea9824af71c9da5db5a00ec06063024.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba8eb06f527d4201b93636710c62d461.png)
(1)求m的值;
(2)证明:对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92222bd1bfa79c6082eea07ced5a98ef.png)
您最近一年使用:0次
2024-05-14更新
|
476次组卷
|
2卷引用:辽宁省葫芦岛市协作校2023-2024学年高三下学期第一次考试数学试卷
解题方法
4 . 已知
.
(1)讨论函数
的单调性;
(2)当
时,证明:函数
有且仅有两个零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7222eb00539edf2ac3fc201866eb1d5d.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](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/0a415767156945ea8ada9ed3756019fc.png)
您最近一年使用:0次
名校
5 . 设函数
.
(1)讨论
的单调性.
(2)证明:
.
(3)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/181d3aa3dec00a9c63fa2987c77bd0ea.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84c1e0c67c135532494ef7cf732fb7ef.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d4a677b734a48f8116d67afceead44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f95ca867dde8e6812ba191138994b13.png)
您最近一年使用:0次
名校
6 . 黎曼猜想是解析数论里的一个重要猜想,它被很多数学家视为是最重要的数学猜想之一.它与函数
(
,s为常数)密切相关,请解决下列问题.
(1)当
时,讨论
的单调性;
(2)当
时;
①证明
有唯一极值点;
②记
的唯一极值点为
,讨论
的单调性,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/755d78f27a96bf14b96dff9913851df9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b862659eee15ac003d2d2c53d9abbf5c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b366d99460274e9ab2187c11af8a6372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f15bcd4917a74ec6f505f0e10833a7f.png)
①证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
②记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010dec4fc2df0b58992eb4515cd13eff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/010dec4fc2df0b58992eb4515cd13eff.png)
您最近一年使用:0次
2024-01-15更新
|
2877次组卷
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9卷引用:辽宁省锦州市某校2023-2024学年高三下学期考前测试数学试卷(A)
辽宁省锦州市某校2023-2024学年高三下学期考前测试数学试卷(A)2024届广东省惠州市大亚湾区普通高中毕业年级联合模拟考试(一)数学试卷2024届广东省大湾区普通高中毕业年级联合模拟考试(一)数学试题湖南省长沙市长郡中学2024届高三一模数学试题(已下线)微考点2-5 新高考新试卷结构19题压轴题新定义导数试题分类汇编天津市第一中学滨海学校2024届高三第六次学业水平质量调查数学试卷(开学考)吉林省通化市梅河口市第五中学2024届高三下学期一模数学试题(已下线)专题2 导数与函数的极值、最值【练】河南省信阳市新县高级中学2024届高三考前第七次适应性考试数学试题
名校
7 . 已知函数
.
(1)讨论
的单调性;
(2)若
恰好有两个零点
,
,且
恒成立,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e107063f2300c028d91537c0cf70832a.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfab5631d1543bf2090b1c506698ee35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88ed3f472299563e31282a44aa9fe202.png)
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2024-01-13更新
|
899次组卷
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4卷引用:辽宁省抚顺市六校协作体2024届高三上学期期末数学试题
辽宁省抚顺市六校协作体2024届高三上学期期末数学试题江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(九)(已下线)专题10 导数12种常见考法归类(5)(已下线)模块2专题7 对数均值不等式 巧妙解决双变量练
名校
解题方法
8 . 已知函数
,
.
(1)若函数
(其中:
为
的导数)有两个极值点,求实数a的取值范围;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bad889fec9bf544f9b3284fe15bc7d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f5bb89c3ad435f1ef59307b174105ed.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4ead4ab1ee2f9b8787c5992a6f21cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/214902bcfb79bae525436b0a632dee87.png)
您最近一年使用:0次
名校
9 . 定义:若函数
图象上恰好存在相异的两点
满足曲线
在
和
处的切线重合,则称
为曲线
的“双重切点”,直线
为曲线
的“双重切线”.
(1)直线
是否为曲线
的“双重切线”,请说明理由;
(2)已知函数
求曲线
的“双重切线”的方程;
(3)已知函数
,直线
为曲线
的“双重切线”,记直线
的斜率所有可能的取值为
,若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(1)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ece491f9ba053a2ead5ad54138d779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d430e6eb5f8b43723db095937fbc74f7.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5776b27d76690a67770d954a47bfb0f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(3)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb6f04900fb8400a415b1067320a2f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e540ef465ca68c186cc972d54d3a268e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f6b9ccddda8585a04f8ab4d4b4583a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a097fa8e3bfa45de1ea35f1ad907fe3.png)
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2024-04-17更新
|
1263次组卷
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6卷引用:辽宁省辽阳市2023-2024学年高三下学期二模数学试卷
辽宁省辽阳市2023-2024学年高三下学期二模数学试卷广西2024届高三4月模拟考试数学试卷河北省邢台市2024届高三下学期教学质量检测(一)数学试题(已下线)模块五 专题5 全真拔高模拟5(苏教版高二期中研习)(已下线)专题16 对数平均不等式及其应用【练】(已下线)拔高点突破05 函数与导数背景下的新定义压轴解答题(九大题型)
名校
解题方法
10 . 已知函数
,
,
为其导函数.函数
在其定义域
内有零点
.
(1)求实数a的取值范围;
(2)设函数
,求证:对任意的
且
,
.
(3)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e53a190256f3683315a8b60811b767b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcac1e85463a3177f487d896b3d1d24c.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/0109d06b8be2e402b5ffbb0aeb501009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(1)求实数a的取值范围;
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65760052439f87abfdb77c5e8898ee0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cb3ba497136e83ffa942f09c14b5b88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f28c1416289e753d70b6e6c0b7e836e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac677478518ff0b76c3ab510ce625354.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee37a9ca13d5790552afc8facdd28f67.png)
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2023-11-08更新
|
486次组卷
|
2卷引用:辽宁省实验中学2023-2024学年高三上学期期中数学试题