已知
.
(1)求函数
在
,
上的最小值;
(2)证明:对一切
,都有
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f709360ee0dc472a9ee906dc3510b50.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/315c3847a399c800b56264a5ebb6ad8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c91aea94ae83a60500af06b6e1b113e4.png)
(2)证明:对一切
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/966b60302d80d8613675bb3dd5c03164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/615b57aace2c973761b5bd718222068a.png)
11-12高三上·江西吉安·阶段练习 查看更多[6]
(已下线)2012届江西省泰和中学高三12月周考理科数学试卷辽宁师范大学附属中学2018-2019学年高三上学期第一次模块考试数学(文)试题(已下线)专题3.4 高考解答题热点题型(一)利用导数证明不等式-2021年高考数学(理)一轮复习-题型全归纳与高效训练突破(已下线)专题3.3 函数与导数的综合应用(精练)-2021届高考数学(文)一轮复习讲练测江苏省扬州市仪征中学2023-2024学年高三上学期暑期学情检测数学试题(已下线)专题16 利用导数研究方程与不等式
更新时间:2020-09-21 11:29:17
|
相似题推荐
解答题-证明题
|
较难
(0.4)
解题方法
【推荐1】已知
为坐标原点,曲线
在点
处的切线与曲线
在点
处的切线平行,且两切线间的距离为
,其中
.
(1)求实数
的值;
(2)若点
分别在曲线
上,求
与
之和的最大值;
(3)若点
在曲线
上,点
在曲线
上,四边形
为正方形,其面积为
,证明: ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634eecef5979fe32878d032e9736bcad.png)
附:ln2 ≈ 0.693.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/325cb5d7a2edc99c9bfcf39e6ffc7c5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248b75c2ba3d6f870b1a7255e652b8b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b037b9629c12214eb24d990fc9855852.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/addc3241a83f4b61d46402319b7f1da1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c90e8d5d7fed033f48270b1ff825fcd5.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ff2912fd8d93b6e692936d95b727c5.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f44755c5fee4b90266eac73ad47a128.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32595168b1cc7fd374aeb8d833c1cbb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579d861f3f214342af735e6f0a8db139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3ea1f0e09c8f73a18a08f14188f264.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa69fd8445d01c98634c2e885b47d5a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/634eecef5979fe32878d032e9736bcad.png)
附:ln2 ≈ 0.693.
您最近一年使用:0次
解答题-证明题
|
较难
(0.4)
解题方法
【推荐2】已知函数
,
,
.
(1)设
,求
在
上的最大值;
(2)设
,若
的极大值恒小于0,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a12502bc397f6054143b79919cc1b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d108f2d5dbd8b02baa44f62efc6fc8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/360ff131c51a4ef6745538c18cec92c2.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd40b35b718e527ff5ff6b250e24752.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30872060632f257c509018062095bbbd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa368359d1382330e7e32158203f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/92860378096f519a8fb276d07dbfabce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b917f51d9162ed1b00cbbaf65d1def7b.png)
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解答题-问答题
|
较难
(0.4)
解题方法
【推荐1】已知函数
,其中
.
(1)若
在
内为减函数,求实数a的取值范围;
(2)求函数
在
上的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acfa94bb6f634800db95d321ed430b0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9210e75c35fb455d0446eb7ddba7d79c.png)
您最近一年使用:0次
解答题-问答题
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(0.4)
真题
【推荐2】已知函数
,其中
.
(Ⅰ)若曲线
在点
处的切线方程为
,求函数
的解析式;
(Ⅱ)讨论函数
的单调性;
(Ⅲ)若对于任意的
,不等式
在
上恒成立,求
的取值范围.
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/38ed2ea3c2a8496b925e7aa2c0712630.png?resizew=152)
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/36d39d9c9a934c7cb83a98f6f201451a.png?resizew=53)
(Ⅰ)若曲线
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/1cff64672aca405c8c97791f39e3d591.png?resizew=59)
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/ec00e25878e24bd0a8c08003f1d2d25c.png?resizew=68)
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/e8bcf3d93d3a487793aaa9ea3d62ceb3.png?resizew=67)
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/4c030cb389fe4a6c88520c8461e6a527.png?resizew=35)
(Ⅱ)讨论函数
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/4c030cb389fe4a6c88520c8461e6a527.png?resizew=35)
(Ⅲ)若对于任意的
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/09ac706091124818ada6316920e7ac0d.png?resizew=67)
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/2571e7419c924f0a861d6c8752ff87c3.png?resizew=64)
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/bdd7a967221444f1b6a61e9893e46baf.png?resizew=40)
![](https://img.xkw.com/dksih/QBM/2010/4/1/1569688487706624/1569688630067200/STEM/113288dcf07f4dc2a2b28f6c501a87cc.png?resizew=13)
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