名校
1 . 已知函数
,设曲线
在点
处的切线方程为
.
(1)证明:对定义域内任意
,都有
;
(2)当
时,关于
的方程
有两个不等的实数根
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1b51be9596d1d26ce0b4f2341e162c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea59cee971344ed593ff082a65d177c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(1)证明:对定义域内任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c0d827ef8598ba6b70b34b2bdcd1e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/685b530934d276bfb0e0cbb4ce263f11.png)
您最近一年使用:0次
2023-01-03更新
|
1425次组卷
|
3卷引用:四川省绵阳市南山中学2022-2023学年高三二诊热身考试理科数学试题
解题方法
2 . 已知函数
.
(1)若曲线
在
处的切线过点
,求
的值;
(2)若
在
内有两个不同极值点
,
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8082debfc257a83b5f52137443ea0d3.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d06d31c9a2298b02664a86ddd91b1121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc0d6397cb47d20a35066cdcd1300144.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/b3886d5449c44fade77cef2f20f1b32f.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11f236a7b064c6005b667595af9adf1.png)
(1)若
,证明:
;
(2)若函数
与函数
的图象有且仅有一条公切线,求实数
的取值集合;
(3)设
,若函数
有两个极值点
,且
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b11f236a7b064c6005b667595af9adf1.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/447d6f62c09c1d05346fd16a24159f6e.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa8ba854aef8d018f0f85601162510d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0d65a5539124cc15123ea83083b450.png)
您最近一年使用:0次
2022-11-22更新
|
348次组卷
|
2卷引用:四川省广安市广安友谊中学2023-2024学年高三上学期10月月考数学理科试题
名校
解题方法
4 . 已知函数
的图象在点
处的切线方程为
.
(1)用
表示出
,
;
(2)若
在
上恒成立,求
的取值范围;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b198677e91defa3ffba5e1865eb387c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6e15daf7b14dbff32c390f4984dcfb.png)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9b326cc2a7caef2834ab8db2aa9b677.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed6d804ef44bfc64f824b0ccef71765e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0976b60c50db838610ca09250737701a.png)
您最近一年使用:0次
2023-01-16更新
|
843次组卷
|
3卷引用:四川省成都市树德中学2022-2023学年高三下学期开学考试数学(理)试题
名校
5 . 已知函数
.
(1)求曲线
的斜率为1的切线方程;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f11b13fcc5fe9c59312bd6cfdbb479b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e96a6b630cbc1b8ac993beb5a1fab1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7f6313f09d17496008ebe3cc1fca0ca.png)
您最近一年使用:0次
6 . 已知函数
.
(1)当
时,过点
作曲线
的切线l,求l的方程;
(2)当
时,对于任意
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1f74833b6cf31da41c3824ab6ca70c7.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7a999c36de5c9a9ce876a4a56fa34c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e18e4dace8810f01d5cd80500690a066.png)
您最近一年使用:0次
2022-11-15更新
|
1046次组卷
|
5卷引用:四川省资阳市2023届高三上学期第一次诊断性考试文科数学试题
四川省资阳市2023届高三上学期第一次诊断性考试文科数学试题(已下线)专题17 函数与导数压轴解答题常考套路归类(精讲精练)-3陕西省西安市鄠邑区2022-2023学年高二上学期期末文科数学试题(已下线)拓展十二:导数大题的8种常见考法总结(1)(已下线)专题2-6 导数大题证明不等式归类-3
名校
7 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959378c05b4a0005e19879d39bd7560d.png)
,其中e为自然对数的底数.
(1)求曲线
在点
处的切线方程;
(2)当
时,有
,求证:对
,有
;
(3)若
,且
,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d923750277c4ae4f8a7db57254c635b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959378c05b4a0005e19879d39bd7560d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d52d0c48d830f5f7c50a0fdedc9b0ca7.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29c5c266a6d834a244c1f50c8f9848c.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81f68ece0e49af68f032bd8a9229fbe8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1c20dd78642c78b87a0d7453b507af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f86927f31837cf11baf247c14ca372d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/561d31d39ae40692dd819c46a20beffc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf1471ecf1a536fb4d911fd5da261448.png)
您最近一年使用:0次
2022-11-16更新
|
598次组卷
|
5卷引用:四川省遂宁市2023届高三零诊考试数学(理科)试题
四川省遂宁市2023届高三零诊考试数学(理科)试题四川省遂宁市射洪中学校2022-2023学年高三上学期零诊数学试题(理)(已下线)专题10 导数压轴解答题(综合类)-1福建省宁德第一中学2022-2023学年高二下学期5月月考数学试题(已下线)第六章 导数与不等式恒成立问题 专题十二 恒成立问题综合训练
名校
解题方法
8 . 若
的图象过点
,且在点P处的切线方程为
.
(1)求a、b、c的值;
(2)设
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba67c66150306f32c5049a08b3b0b0d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/440c87946c0725ea3c47125e0ed625fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81950ef41ca34f3132c02bf04e8a9fd6.png)
(1)求a、b、c的值;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f537c893dfe2661ba4273cf218c72d34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68cbf8b29aba23992b110328fe9a8756.png)
您最近一年使用:0次
2022-12-08更新
|
179次组卷
|
2卷引用:四川省南江中学2022-2023学年高三上学期12月阶段考试数学(文)试题
名校
解题方法
9 . 已知函数
在
处的切线的斜率为1.
(1)求
的值及
的最大值.
(2)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0ef5a0f806510d2d74492a44dbc721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be613fff0421d9be9e8bb5eb8b07c40f.png)
(3)若
,若
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f43cd787e8daf9196d47a0247c75529f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c98a7f3a8bf384b1dfc1d34aebd46d2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c0ef5a0f806510d2d74492a44dbc721.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be613fff0421d9be9e8bb5eb8b07c40f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dd790207900cc4fdc61de7ac3123cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa18838a13fda4e45612c32cdf98b71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
您最近一年使用:0次
2022-12-02更新
|
288次组卷
|
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
名校
解题方法
10 . 已知函数
,
,其中
为自然对数的底数.
(1)求曲线
在点
处的切线方程;
(2)令
,求证:对
,有
成立;
(3)若不等式
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d923750277c4ae4f8a7db57254c635b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4792ef6097a15b8dc2f974572759f4c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29c5c266a6d834a244c1f50c8f9848c.png)
(2)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3139e87d0a531e66206d2f3e454a61ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a1c20dd78642c78b87a0d7453b507af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99d8c76e9d1a301295255efac867b6b7.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1efb0f93cddc89741e8bd79641f21a07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4887473a8091e1ef53a169cc9f211e3a.png)
您最近一年使用:0次
2022-11-16更新
|
291次组卷
|
3卷引用:四川省遂宁市2023届高三零诊考试数学(文科)试题