名校
解题方法
1 . 设函数
,
.
(1)当
时,过原点作
的切线,求切线方程;
(2)不等式
对于
恒成立,求
的取值范围;
(3)在(1)的条件下,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/812d581aaa8cd1441aa222cc12619b6c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0fcf22f5bba3fc4b8ba1b34c64c87d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)在(1)的条件下,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a513321a193961aa6b161c6b535fd508.png)
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名校
解题方法
2 . 设函数
,
.
(1)求曲线
在点(2,g(2))处的切线方程;
(2)设
,求h(x)的最小值;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c79728eda595218be2154adf12590b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf062f5dcf9995e0a2d4954a40ed922c.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da3cbec29c2f7b596f282c397b9b8d9b.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab826f717d74e45b5187a0841f74f102.png)
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2022高三·全国·专题练习
名校
3 . 已知函数
,
.
(1)求曲线
在点
处的切线方程;
(2)若
,求
的零点个数;
(3)若
有两个零点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef434bdd1714edd0752c08e9b0958758.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81158db42116f74e7b26e100f88dd535.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)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/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475c9073257b3d0760e2c6051a82d592.png)
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名校
4 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a903745cd2cb536443d07579b606ece5.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68c6b6a11760d0724b0b60e55970e229.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0112226ef7215a7b8cdb7e1922cb8947.png)
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2022-01-30更新
|
389次组卷
|
2卷引用:黑龙江省哈尔滨市第三中学2021-2022学年高三上学期第五次验收考试文科数学试题
名校
解题方法
5 . 设函数
,其中
为自然对数的底数,曲线
在
处切线的斜率为
.
(1)求实数
的值;
(2)若
,
.证明:
均有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92a0c95c1e32492c4afc26a1e14ca816.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09b29a7faa14a6e09d0db2d04f4ced03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8914269ade8c15e97352a32de9aa9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c74e6ee74341d2c2bbec89370a5888.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d90e5d99ef32b0c90db3e1fe9b43e07a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/899f7dffc1ac011a4fb8e80cb733ca34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b57eb7d1dec82da171a31bcf46c5bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/449c9b29bb8dffcd671abc0e5832cf36.png)
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名校
6 . 已知函数
.
(1)求
的单调区间;
(2)若直线
与曲线
相切,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d30ad6809372081cd2a47eae91c40a7.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33eb95e5d557d3fcfa52e48df1cdf183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8384f6da44075fe4e5bce2ad44d9fd57.png)
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2021-03-29更新
|
1527次组卷
|
6卷引用:黑龙江省绥化市海伦市第一中学2022-2023学年高三上学期期中数学试题
2021·全国·模拟预测
名校
7 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)若函数
有两个极值点
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/faa2375342327d62ee7e7a7cc7e50ba5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92cb57eaef0982874cbf9d87bfaea05d.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/a6b3d4e69aef0f4e01191f2a008823be.png)
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2021-03-22更新
|
1950次组卷
|
9卷引用:黑龙江省齐齐哈尔市恒昌中学校2022-2023学年高二下学期期中数学试题
黑龙江省齐齐哈尔市恒昌中学校2022-2023学年高二下学期期中数学试题(已下线)2021年新高考测评卷数学(第六模拟)(已下线)专题1.16 导数-不等式的证明-2021年高考数学解答题挑战满分专项训练(新高考地区专用)山东省(新高考)2021届高三 数学第二次模拟考试题(一)福建省龙岩市上杭县第一中学2021届高三5月份模拟考数学试题(已下线)一轮大题专练9—导数(双变量与极值点偏移问题1)-2022届高三数学一轮复习(已下线)专题4.11—导数大题(双变量与极值点偏移问题3)-2022届高三数学一轮复习精讲精练(已下线)第06讲 极值点偏移:乘积型-突破2022年新高考数学导数压轴解答题精选精练福建省德化第一中学2022届高三上学期第二次月考数学试题
8 . 已知函数
,a是常数且
.
(1)求曲线
在点P
处的切线l的方程;并证明:函数
的图象在直线l的下方;
(2)已知函数
有两个零点,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfcea74d330997ee9c92a223c0335851.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61cc0e076e219cc6f9d0d6f7ce6384f0.png)
(2)已知函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac274340bcde5a6a6a068404c8841547.png)
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2022-01-13更新
|
555次组卷
|
2卷引用:黑龙江省鸡西市密山一中2024届高三上学期期末数学试题
名校
解题方法
9 . 已知函数
.
(1)若函数
的一条切线方程为
,求
的值;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10574515429d447eb6a99eb4b333f674.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1447dbe580ac5c825776995118e75acf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e030e7ecac9ae348c0d93d0bf30ad273.png)
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名校
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd43814480a4b17d2b95c9114d68023e.png)
(1)若函数
的图像在公共点
处的切线相同,求
的值;
(2)设函数
,函数
为
的导函数,若函数
有两个零点
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd43814480a4b17d2b95c9114d68023e.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8fd1e808e015f4cb43d2e3a0529ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43db00e106c7d08a76a7ba71ca5e63d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d05b3964e0e35d08508a093a36c49e2d.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cffa662f0273f0921c1fa4727f632395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95e82f423c1c5d304766d1a22d72f042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.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/ef3abb167fa6763d46da38f0040f53dd.png)
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