解题方法
1 . 已知函数
,记曲线
在点
处的切线为
,
在x轴上的截距为
.
(1)当
,
时,求切线方程;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e70f9d551b5436e708b405268ea290c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d27c0ab3e2d7698f082854bafe4174dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/126a0b15e6d9d6c106cdc3aa74a83cd3.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2d47b5d9bb960850cfc33e252d3d852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/266115b42426704177393dff1db45f00.png)
您最近一年使用:0次
2 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)设
,证明:
在
上单调递增;
(3)判断
与
的大小关系,并加以证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38534e56348088b05b27671489be8227.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a9ba4ae827cc52032bac47f59d2361.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb249754c2d4004068c0bb7e99b9e53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(3)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/135be363b51a75c5c6e2c0d9ce8625f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6d50f78b3511e45e1d733f5a487414b.png)
您最近一年使用:0次
2023-03-27更新
|
2713次组卷
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7卷引用:福建省福州市六校联考2022-2023学年高二下学期期末考试数学试题
福建省福州市六校联考2022-2023学年高二下学期期末考试数学试题北京市西城区2023届高三一模数学试题专题05导数及其应用(已下线)专题20利用导数研究不等问题北京卷专题13导数及其应用(解答题)(已下线)第三章 一元函数的导数及其应用(测试)江西省宜春市百树学校2024届高三上学期10月月考数学试题
解题方法
3 . 已知函数
,其中
,曲线
在
处的切线
与坐标轴围成的面积为
.
(1)求实数
的值;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e577bb4766762598258778e390b30b70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6ec226fe3bfcbba33151cfff9a2603d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868e738c6de3d68c0eb90984874a8640.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3d07f9b89b24792b5e5cc639b399ced.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b7291b07859babc65e950cf6913ee6.png)
您最近一年使用:0次
4 . 已知函数
.
(1)若
,求函数
的图像在
处的切线方程;
(2)若
,
是函数
的两个极值点,求
的取值范围,并证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/873b9262b539ce8d5dedd2abb1d391d5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)若
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9088310f1b06d5f580e99b2660f1902.png)
您最近一年使用:0次
2023-05-19更新
|
451次组卷
|
4卷引用:福建省宁德市福鼎第六中学2022-2023学年高二下学期6月月考数学试题
名校
5 . 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: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
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(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
6 . 已知函数
.
(1)求曲线
在
处的切线方程;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4fdc487d4cf65c82a40b7944024f5a6.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/636289ad84b4a3a51095dd32ca201f94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0091fa7b5fdbffbefc27ec6e68510a.png)
您最近一年使用:0次
2022-11-20更新
|
461次组卷
|
4卷引用:福建省南平市浦城县第三中学2023届高三上学期期中测试数学模拟卷试题(1)
7 . 已知函数
,
.
(1)若直线
与曲线
和
都相切,求实数
的值;
(2)设函数
,若函数
在
上有三个不同的零点
,
,
,且
,求证:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35c1184d6ad1561983ff8f46fd89bfb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bee434ff4fd518929665cf357d166ff.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73fff204cd3dff03d9ee7f63f33e0b17.png)
![](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)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a28eb47bf11a209a6521e16bbed6cbdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1c520eb8fcc167698440cdee316134c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95123c0c6f46730b8395f5f131d1e4a1.png)
您最近一年使用:0次
2022-11-20更新
|
119次组卷
|
2卷引用:福建省南平市浦城县第三中学2023届高三上学期期中测试数学模拟卷试题(2)
名校
解题方法
8 . 设函数
.
(1)若
,求证:
;
(2)设函数
,直线
与曲线
及
都相切,且
与
切点的横坐标为
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69f4f70194c44144fca274e7986f030c.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a008acdbba2088e258dbede874f16d.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcbb87a8b7ab6184b7c2787b4a5e365c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2125278e64e562b4906e3923a330f5c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e684d1e3909f08ce928c68dd3e35122.png)
您最近一年使用:0次
2022-10-11更新
|
211次组卷
|
2卷引用:福建省厦门外国语学校2023届高三上学期10月月考数学试题
9 . 已知
,
,函数
,
,且曲线
与曲线
在
处有相同的切线.
(1)求
,
的值;
(2)证明:当
时,曲线
恒在曲线
的下方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19339e3904e9541ff26b30ae5f1242b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b1131b5a68b32ad67f8e07bddaeb54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389a2e79c9a60b95cf47759f99fc494.png)
![](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/9b384412acba251d87902ab928902f16.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e30c903d8f8a05332af0b19e7e40df3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
您最近一年使用:0次
10 . 已知函数
,设曲线
在点
处的切线与x轴的交点为
,其中
为正实数.
(1)用
表示
;
(2)若
,记
证明数列
成等比数列,并求数列
的通项公式.
(3)若
,
是数列
的前n项和,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b7b0deaff280ebbee0f91be5acd20d6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/641fec779880f75fa8ee6782f3350402.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edeb4aa8a3ca0261e0161fd7fa8bde97.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
(1)用
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3282e5fde4ae53fcb1bb072a685304c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3002f56900c2924bfd79fc3865b0a02e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c4223bd6ee8f82d59d244371fbcddc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dfe65f891c54780bcf1ed6a9f8a0f6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e976c0663fa749ca749f99842d21ca03.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1abbe79bea9a630a3ac5db989f44d7c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1ae9a3b0b7aeb1545b65d91aa371b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3819480e1e624208f729ad8653e4f24f.png)
您最近一年使用:0次
2022-11-24更新
|
1123次组卷
|
3卷引用:福建省永春第一中学2022-2023学年高二上学期期末考试数学试题