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解题方法
1 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554161ddb91a6dd5a48225b07429c02b.png)
(1)当
时,求
的最大值
(2)讨论函数
的单调性
(3)对任意的
,都有
成立,求实数
的取值范围
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/554161ddb91a6dd5a48225b07429c02b.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)对任意的
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66692ec49a458f9e48c7315d03dfc37b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ae686346c5d6eeff3e7680d0268b7ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-06-09更新
|
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3卷引用:上海市青浦高级中学2022-2023学年高二下学期期中数学试题
上海市青浦高级中学2022-2023学年高二下学期期中数学试题湖南省衡阳市祁东县育贤中学2022-2023学年高二下学期5月月考数学试题(已下线)河南省实验中学2023-2024学年高三上学期第一次月考数学试题变式题19-22
名校
2 . 已知函数
.
(1)若经过点
的直线与函数
的图像相切于点
,求实数
的值;
(2)设
,若函数
在区间
为严格递减函数时,求实数
的取值范围;
(3)对于(2)中的函数
,若函数
有两个极值点为
,且不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4e14fb5dfe4ec8d8b883202723e346b.png)
(1)若经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb50eb9d24b272091786deb65e860d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4396df12349eeb1eb81004ca722988f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c17c0f8e71272c3327478751b7e83d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc7c540f2ab2d82e3ad4389897158f79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)对于(2)中的函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9f58d4591d668b4bc32fae4faab8298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edf5e27d7b100672cd54ee8eb0e530a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2023-06-09更新
|
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6卷引用:上海市川沙中学2022-2023学年高二下学期3月月考数学试题
上海市川沙中学2022-2023学年高二下学期3月月考数学试题(已下线)高二下期中真题精选(易错46题专练)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)上海市普陀区2023届高三上学期期中数学试题湖南省娄底市新化县2022-2023学年高二上学期期末数学试题(已下线)第六章 导数与不等式恒成立问题 专题九 双变量不等式恒成立问题 微点5 双变量不等式恒成立问题之单调型、中点型、剪刀型(已下线)专题5 导数与不等式恒成立问题【练】
3 . 设z为复数.
(1)若
,求
的值;
(2)若关于x的实系数一元二次方程
有两个虚根
和
,且
,求实数k的值.
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/762567262850686717f2ff5b1cb09a04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de971553ea8a66d7849b138a4a0625c5.png)
(2)若关于x的实系数一元二次方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5afde27927c6b56cd01ce86dea299710.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/62bdaecba44c33044ad3ad3e271d2884.png)
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名校
解题方法
4 . 已知
.
(1)求函数
的极小值;
(2)当
时,求证:
;
(3)设
,记函数
在区间
上的最大值为
,当
最小时,求a的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b470f563042f1477f615819d547666.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71caec84a4be2c3d7f14f5e25bca4d53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0a027ca3feaa4b2ba76a43709004998.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9944840b010bd79a95adec8380f90697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5a90aeba435af22d6bcdb7b91650b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b26c416363ab2a9ed000b429540db55e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760f804646698060703c5458ff5637c7.png)
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2023-06-02更新
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2卷引用:上海市复兴高级中学2023届高三适应性练习数学试题
名校
5 . 已知函数
,常数
.
(1)若函数
的图像在点
处的切线方程为
,求实数
的值;
(2)求函数
的单调区间和极值,说明理由;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa8d15bb03aed735504072b540ffe86c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a7df955fc17e92fd86302f8c34664a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
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6 . 已知
.
(1)若
,求曲线
在
处的切线方程;
(2)若
,设
,判断
是否是函数
的极值点并说明理由;
(3)设
,点
在函数
的图像上,且
的横坐标
.曲线
是由所有的线段
构成的折线图,求证:对于任意的
,直线
与
的交点不可能有无穷多个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/842e6f91ec32d811c453b2e9fd897712.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1def74f3f061283883891d9274cac18f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bea9227dd0104da58e0c40952cc87ed.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1def74f3f061283883891d9274cac18f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b436fbe50f645d7d7008d1634b9b5aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c219c7f114251e87f5373925e339af7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf83e20035c3afd6d26ebfd53d768a70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f9cde69e12d18cc5e5d45c4ad82d84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5968bd8d9b7fceea8f0793a3e4e158e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
您最近一年使用:0次
名校
7 . 已知
.
(1)求函数
的单调减区间;
(2)求函数
在
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dba827cdd21ff432605e0dea5b730fba.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663db8a8e903e6033390a8efc5d8acda.png)
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|
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3卷引用:上海市复旦大学附属中学2022-2023学年高二下学期期中数学试题
名校
8 . 已知关于x的实系数一元二次方程
.
(1)若复数z是该方程的一个虚根,且
,求m的值;
(2)记方程的两根为
和
,若
,求m的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b740177ef163c8c3f751f7fb8bda5584.png)
(1)若复数z是该方程的一个虚根,且
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7de943d8dc7b9121401cc7fff3099906.png)
(2)记方程的两根为
![](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/c71dd953e41c25e54367d111a85cb9c9.png)
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2023-05-11更新
|
1259次组卷
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10卷引用:上海市复旦大学附属中学2022-2023学年高一下学期期中数学试题
上海市复旦大学附属中学2022-2023学年高一下学期期中数学试题上海市杨浦高级中学2022-2023学年高一下学期期末数学试题上海市上海中学2022-2023学年高一下学期期末数学试题(已下线)9.3 实系数一元二次方程-同步精品课堂(沪教版2020必修第二册)(已下线)模块二 专题3 《复数》单元检测篇 A基础卷 (北师大版)(已下线)模块二 专题2 《复数》单元检测篇 A基础卷(已下线)模块二 专题4 复数 单元检测篇 A基础卷 (人教B)(已下线)模块二《复数》单元检测篇 A基础卷 (北师大版)(已下线)模块二 专题4 《复数》单元检测篇 A基础卷 (苏教版)(已下线)第一次月考解答题压轴题十六大题型专练(2)-举一反三系列(人教A版2019必修第二册)
名校
解题方法
9 . 已知函数
和
.
(1)当
时,求证:
是方程
的唯一实根;
(2)若对任意
,函数
的图像总在函数
图像的上方,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83310511084a5e4f9991b4d523420742.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf0086b054ef120408acac806a1b1318.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/493364ccc19d0a4bc1545838aa30a484.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4921923069c4f38a0af1ff8637e35b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45a3d8aabb33658fadf81e51098847c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12be206d66e65eb92ef08bad8cd8f71d.png)
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解题方法
10 . 已知
(
,
,
,
为常数)和点
,直线
为函数
在
处的切线方程.
(1)若
,
,求函数
的极值;
(2)若
,
,
,试证明:当
时,过点
可以作3条不同的直线与
相切;
(3)
上是否存在两个不同的点,在这两个点处的切线相同?请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a6fa02d56e7338c83cf1ae518e3ebe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd0914dc4d4c7f75710ff460a286fcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90eb39d4926747749c1ca6ed9ed8042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70087bf78bee970f6ecf583ca1fccc42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcdb7a488910743dc5c63afb394b87e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a915c1a8a9304aeb307d130faaeb15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3abfbbbc93802692036cb1d281c7209f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a90eb39d4926747749c1ca6ed9ed8042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
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