名校
解题方法
1 . 已知函数
(
).
(1)若函数
的极大值为0,求实数a的值;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4243cf6e83bacc036280eada841a6c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c7b69e93488fcd2a195cb9793e94fc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1543a59401c671def4f045df9e5e0ca8.png)
您最近一年使用:0次
2023-02-06更新
|
446次组卷
|
3卷引用:辽宁省铁岭市昌图县第一高级中学2022-2023学年高二下学期6月月考数学试题
辽宁省铁岭市昌图县第一高级中学2022-2023学年高二下学期6月月考数学试题四川省攀枝花市2023届高三上学期第一次统一考试数学(理)试题(已下线)拓展五:利用导数证明不等式的9种方法总结-【帮课堂】2022-2023学年高二数学同步精品讲义(人教A版2019选择性必修第二册)
2021高三·广东·专题练习
2 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d50055c5be921702b5f468d95ca6067.png)
(1)若
在区间
上存在极值,求实数
的范围;
(2)若
在区间
上的极小值等于0,求实数
的值;
(3)令
,
.曲线
与直线
交于
,
两点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d50055c5be921702b5f468d95ca6067.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9242dd26ba42e906d512542f02807779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9242dd26ba42e906d512542f02807779.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)令
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/173989eb4c71ba9a2c37740216473227.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8ed9bbf022719b29ae0b2ca587ab0ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff4d12362d4b8dd25813953e1c5a94b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36312981a939667948c38c03fcca24ff.png)
您最近一年使用:0次
名校
3 . 已知函数
,其中
,
为自然对数的底数.
(1)若
,求函数
在
处的切线方程;
(2)若函数
在定义域上恰有两个不同的零点,求实数a的取值范围;
(3)设函数
在区间
)上存在极值,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22f9bdc5e729c4401cf3cbbc57f097cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b3796696e73d44ebc4f6d7bdabc493.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f837dc8b2f10fb574303e0ec3b58cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cf5ee481cf958fc08957211ad34a483.png)
您最近一年使用:0次
2020-04-27更新
|
523次组卷
|
3卷引用:辽宁省渤大附中、育明高中2020届高三第五次模拟考试数学(理)试题
4 . 已知
是函数
的极值点.
(Ⅰ)求实数
的值;
(Ⅱ)求证:函数
存在唯一的极小值点
,且
.
(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43acb2f9d49d4c7f7ec9bf586c4ce410.png)
(Ⅰ)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97746a44f4a50a7fa244b58a9b2e5885.png)
(参考数据:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9405361d7be3c9e4d462a4e955d8fe3c.png)
您最近一年使用:0次
2019-05-13更新
|
1092次组卷
|
4卷引用:【市级联考】辽宁省大连市2019届高三第二次模拟考试数学(文)试题
名校
解题方法
5 . 已知函数
.
(1)当
时,求函数
在点
处的切线方程;
(2)若函数
有两个不同极值点,求实数
的取值范围;
(3)当
时,求证:对任意
,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1c951c2e58a3342396b30d1cb61a341.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd4ec6c78bab05a5df3d9954a70846ec.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4318a47d7e83d587e74bab4d3d1f6883.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce69e15d195678cad2544b5c7cba6022.png)
您最近一年使用:0次
2019-07-16更新
|
1164次组卷
|
4卷引用:辽宁省盘锦市大洼区高级中学2019-2020学年高二上学期期末数学试题
6 . 已知函数
.
(1)当
时,求函数
的最小值;
(2)若
在区间
上有两个极值点
.
(
)求实数
的取值范围;
(![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73602f52219bd66536ba6779c867fd87.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd21a1993c6caa9e162e77db0712ab61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d3afe17d94ae53285adc7eff473004.png)
您最近一年使用:0次
2019-03-07更新
|
2221次组卷
|
8卷引用:辽宁省丹东市凤城市第一中学2019-2020学年高三上学期第一次月考数学(理)试题
辽宁省丹东市凤城市第一中学2019-2020学年高三上学期第一次月考数学(理)试题【校级联考】河南省十所名校2019届高三尖子生第二次联合考试数学(理)试题安徽省六安市第一中学2018-2019学年高二下学期第二次段考数学(理)试题河北省衡水中学2019届高三下学期四调数学(理)试题2019届河南省天一大联考“顶尖计划”高三第二次考试(2月)数学(理)试题(已下线)专题03 利用导数求函数的极值、最值(第六篇)-备战2020年高考数学大题精做之解答题题型全覆盖(已下线)文科数学-2020年高考押题预测卷03(新课标Ⅰ卷)《2020年高考押题预测卷》江西省宜春市高安中学2019-2020学年高一下学期期中考试数学(理)(A)试题
7 . 已知函数
,
是函数
的两个极值点
.
(1)求
的取值范围.
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5660568682db0c3febee337ce73238b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/691dacaa369a98eb9cbb4cff25017be8.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbddc9cbae06abe13be1be2278a8b40.png)
您最近一年使用:0次
2019-04-20更新
|
852次组卷
|
4卷引用:【市级联考】辽宁省辽阳市2019届高三二模数学(理科)试题
8 . 已知函数
.
若1是函数
的一个极值点,求实数a的值;
讨论函数
的单调性;
在
的条件下证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1337a6ea4fe9a167ae891d60729ec6e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d479a86a1711709b2d100fe4daf3e7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4bb89a362c1faf4d0c306eabbb59710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8572ba18f3fe2a6a77c27454dd6780.png)
您最近一年使用:0次
名校
解题方法
9 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
在
处取得极值,求
的值;
(2)求
在区间
上的最小值;
(3)在(1)的条件下,若
,求证:当
,恒有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9de5dfd4d956751485330e9ef699e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2babbb1440eabddae42aba70bce74af9.png)
(3)在(1)的条件下,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc0602b704c4cef4b02af46825ee52c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/625109b1d37d3a1077a28d816844285a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04c03f23e921ad62612d1f0a00dac971.png)
您最近一年使用:0次
10 . 已知函数
.
(1)若
在
处取极值,求
在点
处的切线方程;
(2)当
时,若
有唯一的零点
,求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/373269946df8be6a048b9d370ed67723.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ed60604f099b076ad3a25e7523ef326.png)
您最近一年使用:0次
2017-12-29更新
|
873次组卷
|
2卷引用:辽宁省丹东市五校协作体2018届高三上学期联考数学(文)试卷