解题方法
1 . 已知函数
.
(1)当
时,求函数
的极值;
(2)函数
的图象与
轴交于两点
、
且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/040c0a0ba3b8c86e733aca57cfedb18a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ec3d75e53b990bc8f9a4622928dd21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b583230a32b774445332490c511989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d41acc47493556617fe7b9e55093d10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4535d92ec584cdd94708a9e34aef8cf6.png)
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解题方法
2 . 已知函数
.
(1)当
时,求
的极值;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa0b1018d769cab57a1cc2938fa9810.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b86304c3e26200299a0480641525a283.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26cd7d46136029a789443fbbb11f5d2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22993834e9f2e9d3cb643c5744ce2a7e.png)
您最近一年使用:0次
2022高三·全国·专题练习
名校
解题方法
3 . 已知函数
在其定义域内有两个不同的极值点.
(1)求
的取值范围;
(2)记两个极值点为
,且
. 若
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e083ac71e19407c92b30ffa1ec72eaf8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)记两个极值点为
![](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/3ad6aed46a20a642a1715ec6c095d637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7d9433eb2c2bd73907b56201fb2bfb2.png)
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2023-07-07更新
|
1147次组卷
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10卷引用:四川省成都市成都外国语学校2022-2023学年高三上学期期末数学文科试题
四川省成都市成都外国语学校2022-2023学年高三上学期期末数学文科试题四川省成都市石室中学高2022届高三上学期期末数学(文)试题四川省绵阳市高中2024届高三突击班第零次诊断性考试理科数学试题(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(已下线)专题09 导数压轴解答题(证明类)-3(已下线)重难点突破05 极值点偏移问题与拐点偏移问题(七大题型)-2(已下线)模块三 大招16 极值点&拐点偏移(已下线)重难点06 导数必考压轴解答题全归类【十一大题型】(已下线)黄金卷07(已下线)专题12 帕德逼近与不等式证明【讲】
名校
4 . 已知函数
(
是自然对数的底数).
(1)讨论函数
的单调性;
(2)若
有两个零点分别为
.
①求实数
的取值范围;
②求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ef96ff936eb415b1f8fe6b9166d8e89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52644ff07553f6a3e84c6a4cf7c882e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
①求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bc5e73fe3caba5e9d3caa4f26368abc.png)
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2023-07-06更新
|
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2卷引用:四川省遂宁市2022-2023学年高二下学期期末数学理科试题
名校
解题方法
5 . 已知函数
.
(1)证明:
;
(2)设函数
,
,其中
,若函数
存在非负的极小值,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c840a2372f1f3fb35d9413e602a7ce0.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f81ed7f6a4475e0fa682fa81ee747da3.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49efd793cf410009c7892614a03855bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f08213227dbbed678e4feaaab4a03cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
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2023-06-28更新
|
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6卷引用:四川省成都市2023届高三摸底测试理科数学试题
名校
解题方法
6 . 已知在
中,
.证明:
(1)
;
(2)
在
上恒成立;
(3)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e92a98e220a9a1f2a1caa37e4cf4e213.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba5e4691210486a560c59df09937d9f8.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/991a6e773c41687e5b13d36da7612e01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb222ce13688da6fc57089ebf5812b0e.png)
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名校
解题方法
7 . 函数
,
.
(1)当
时,证明:
;
(2)若
是
的一个极大值点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a77fbe8e1c7f61fca83806c146fccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd791e33f22acb48a816d769c2e3ffa.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-06-24更新
|
546次组卷
|
6卷引用:四川省成都市蓉城联盟2022-2023学年高二下学期期末联考数学(文)试题
四川省成都市蓉城联盟2022-2023学年高二下学期期末联考数学(文)试题四川省成都市石室阳安中学2023-2024学年高三上学期开学考试数学(文)试题 (已下线)模块三 专题5 导数--基础夯实练(人教A版高二)(已下线)模块三 专题8 导数及其应用--基础夯实练(北师大2019版 高二)(已下线)模块三 专题7 导数--拔高能力练(人教B版高二)云南省开远市第一中学校2023届高三下学期6月月考数学试题
名校
8 . 已知函数
,
,
.
(1)当
时,证明:
时,
恒成立;
(2)若
在
处的切线与
垂直,求函数
在区间
上的值域;
(3)若方程
有两个不同的根,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a42c6456bf9804a5af9a3047839d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefcdb01d4faefe432560366455f7fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7df077f5f5d14605b14f6d7620564ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9741af1fd8e651860c2fcf2c6846347.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89eea593c79973e97f6f3cdf621cdfc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79f305c99f334478d00e6e582215ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec89d17a1b8f7961e2f1f27c2d50685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89eea593c79973e97f6f3cdf621cdfc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7df664d2387537018c7b877ea08ef2.png)
(3)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7967adb601d3a654644279adaab4521a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-06-18更新
|
245次组卷
|
2卷引用:四川省成都市蓉城名校2022-2023学年高二下学期期末联考文科数学试题
名校
9 . 已知函数
,
,
.
(1)当
时,证明:
时,
恒成立;
(2)若
在
处的切线与
垂直,求函数
在区间
上的值域;
(3)令
,若函数
有两个不同的零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72a42c6456bf9804a5af9a3047839d9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aefcdb01d4faefe432560366455f7fae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a42d89d086790b6b60bf736118ecb3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89eea593c79973e97f6f3cdf621cdfc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c79f305c99f334478d00e6e582215ca6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ec89d17a1b8f7961e2f1f27c2d50685.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89eea593c79973e97f6f3cdf621cdfc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d7df664d2387537018c7b877ea08ef2.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f2c19e66bf137dc6136141f8ed47d05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5421680149be3382dec37d5b7ae489b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
10 . 设
,函数
.
(1)判断
的零点个数,并证明你的结论;
(2)若
,记
的一个零点为
,若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7b5582e1931243dbb90b7591137f23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8541b55b7d637f97e1724e0cb5047b.png)
(1)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce3a34d6f60032718820c3da2b07786b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01b551b099f02a07bad340379003a922.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1acdde8bce9971055c441c7ee082972.png)
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2023-06-02更新
|
531次组卷
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5卷引用:四川天府新区太平中学2022-2023学年高二毕业班摸底测试(理科)(一)试题
四川天府新区太平中学2022-2023学年高二毕业班摸底测试(理科)(一)试题福建省福州第三中学2023届高三第二十次质量检测数学试题(已下线)第二章 函数的概念与性质 第十节 函数与方程(B素养提升卷)(已下线)第十节 函数与方程(B素养提升卷)安徽省皖东十校联盟2024届高三上学期第三次月考数学试题