1 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12018892a39fd5fda4a2bec62d438d2.png)
(1)讨论函数
的单调性;
(2)若函数
与函数
有相同的最小值,求a的值;
(3)证明:对于任意正整数n,
(
为自然对数的底数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2946a355e8ddd83c61ae79dfbf765669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e12018892a39fd5fda4a2bec62d438d2.png)
(1)讨论函数
![](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/c37f63e51c3353f7bad9cdbcae4a5172.png)
(3)证明:对于任意正整数n,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b098311cd342e6ef5b85db8b6056ab59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913b7537e011acfeec11952731351388.png)
您最近一年使用:0次
名校
解题方法
2 . 意大利画家达
芬奇提出:固定项链的两端,使其在重力的作用下自然下垂,那么项链所形成的曲线是什么?这就是著名的“悬链线问题”,通过适当建立坐标系,悬链线可为双曲余弦函数
的图象,定义双曲正弦函数
,类比三角函数的性质可得双曲正弦函数和双曲余弦函数有如下性质①平方关系:
,②倍元关系:
.
(1)求曲线
在
处的切线斜率;
(2)(i)证明:当
时,
;
(ii)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c97ec04a1aa7ac6fce72d589864940a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ed02acb0c7b4e40c26f6760627a033e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbcc2e6bbcbd9344009a0b032a42fbeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6365b6a2c34ad432c87a18f5ff9a9753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c14b6e2c6388fab46c84ba19b6fde908.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1ee2c2965ab4a51d26062fb0e665a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
(2)(i)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95404c4329755d2cfe49c8ca6861d240.png)
(ii)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9363fed5ed3715f9a94fa52e59cea9f7.png)
您最近一年使用:0次
2024-04-18更新
|
512次组卷
|
5卷引用:江苏省扬州中学2023-2024学年高二下学期4月期中考试数学试题
江苏省扬州中学2023-2024学年高二下学期4月期中考试数学试题(已下线)模块一 专题6 导数在不等式中的应用B提升卷(高二人教B版)河南省南阳市淅川县第一高级中学2024届高三下学期三模数学试题江苏高二专题03导数及其应用广西梧州市、忻城县2024届高中毕业班5月仿真考试数学试卷
名校
解题方法
3 . 已知函数
.
(1)若直线
是曲线
的切线,求实数
的值;
(2)若
对任意实数
恒成立,求
的取值范围;
(3)若
,且
,求实数
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e07fdd8e5f9ad562ffff5280a3bd5eca.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c608def11fa0e2b34f05592ef1d11fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0afb80007983e5b99dcdeebf87d18ff4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a80f441127f5829af0d51a97ad46f983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595e39457184c29eff04824ad5c2b4de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/960420b76097adf101d3677be331a868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
解题方法
4 . 已知函数
(
),
.
(1)求函数的极值;
(2)若
对任意的
恒成立,求实数
的取值范围;
(3)求证:
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb0efa793fc95d2bbcc8eec1d375343f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c9e984f50dac827078864092aa9a7bc.png)
(1)求函数的极值;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5822ea5f9009e579f59f011db39196.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac4cbc7b067862a3d9c6789b392fc068.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5816f5a4a74bbf091588680f9885b829.png)
您最近一年使用:0次
名校
5 . 已知函数
.
(1)讨论
的单调区间;
(2)已知
,设
的两个极值点为
,且存在
,使得
的图象与
有三个公共点
;
①求证:
;
②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59c492c78c373aed6e3cead643bd37b7.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6381d9d11871e191fe56acc5da3b7512.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b30f80d975da401b4a7686c5f8729d1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/726c078ca626f64e0d02c2666d8af105.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af79f45b5880c72a349500da9d8e118d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f2c9ba604e34100159eb10cccd2b04.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73b944d88dca9ab78783743050d2d41f.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69af9eb933b28534cd97ad949e8bb398.png)
您最近一年使用:0次
解题方法
6 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)若
,
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d4c3050650dca8f3cff551501f2bb90.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04959523a28786962d51cfb43a8767d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9051f475d3f964c1cb3981b75d4a3715.png)
您最近一年使用:0次
2024-04-15更新
|
1152次组卷
|
3卷引用:四川省雅安市2024届高三下学期4月联考数学(理)试题
解题方法
7 . 已知函数
.
(1)若函数
在
上单调递增,求
的取值范围.
(2)若函数
的两个零点分别是
,且
,证明:
①
随着
的增大而减小;
②
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554604e4c3bb9fe9e186a43d3e0d5575.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](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)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be4c51e13a3011722c8340321ad5a7a5.png)
您最近一年使用:0次
2024·全国·模拟预测
8 . 下列正确结论的个数为( )
①
②
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b3e94b6e42bf4eaab31ebfa642effbd.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da48d1a462054169758ce4bbed704845.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a1378cbfe2328652be559282e13835.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8f73ab490baad65931aef239db69ff3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b3e94b6e42bf4eaab31ebfa642effbd.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
9 . 已知函数
,
且
.
(1)讨论
的单调性;
(2)比较
与
的大小,并说明理由;
(3)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db741e3711e2f6d20b1390ed5739756b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ba6b6aa6c3f9faba6b03bc193a6e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e2015b8dd73e9ab0eae4a13dd591d32.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)比较
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/935188093070b35d49e16e585ea02d0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/275ee9b02024a78617f0149d4bf6fcda.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f093c61867ee4ce75f951d46b9b123.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3342f3b90cb012d45ece926c8a7ea202.png)
您最近一年使用:0次
2024-04-10更新
|
1010次组卷
|
4卷引用:河南省名校2023-2024学年高三下学期高考模拟4月联考数学试题
河南省名校2023-2024学年高三下学期高考模拟4月联考数学试题重庆市开州中学2024届高三下学期全国卷模拟考试(一)数学试题(已下线)专题1 数列不等式 与导数结合 讲(经典好题母题)(已下线)专题9 利用放缩法证明不等式【练】
2024·全国·模拟预测
解题方法
10 . 已知函数
.
(1)当
时,证明:
恒成立;
(2)若对于任意的
,都有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ed37abb26ab5042668c20ca0d664d9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若对于任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/747e75c86dc39782770f93545a3069dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次