1 . 已知三点
,
为曲线
上任意一点,满足![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd0fd626e6a5d41c21a294247d73a61.png)
.
(1)求曲线
的方程;
(2)已知点
,
为曲线
上的不同两点,且
,
,
为垂足,证明:存在定点
,使
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/912aaba9e1bf681a811152d3e9797eda.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ff7e0ef1f622120cc1b18e9d3e80ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcd0fd626e6a5d41c21a294247d73a61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d8c5eae54d07e806a559c5b2e8c66ba.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbcf0320d94734aedd3d4e2e31b9827.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbbbc9c5353894f2c93c205c3ac04f03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef7301df4064e5fb20d76ca0140109b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ff07af51cd67a4a32a698965ce7868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f005b0d2e30eabdfc8a6505f2825ffe.png)
您最近一年使用:0次
解题方法
2 . 已知函数
.
(1)当
时,
恒成立,求实数t的取值范围;
(2)当
时,对任意的
,
恒成立,求整数n的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fbbc93c9d0016906640d5a49bf38bd.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e5a0f5a60946bb8fcf8919c9c2bd4a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f503138ac6b048521cdc8273aae7b908.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/055e114ba40740f297147f35060aefdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4166972dec0aa3e8694a44eeb941a08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182c61f8cb96a75e0750b22567c14054.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
.
(1)讨论函数
的单调性;
(2)证明:对任意
,都有
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3acf0037de25eb70945fbb448458d906.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea4ac187cbb465180e89f38250b3970.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1eabd09a649af5f1077e9cde2fb6c42.png)
您最近一年使用:0次
2021-05-28更新
|
1756次组卷
|
6卷引用:广东省广州市2021届高三二模数学试题
广东省广州市2021届高三二模数学试题(已下线)4.6 导数的综合运用(精讲)-【一隅三反】2022年高考数学一轮复习(新高考地区专用)(已下线)第四章 导数专练15—证明数列不等式-2022届高三数学一轮复习(已下线)专题36 导数放缩证明不等式必刷100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)江苏省南通市通州区金沙中学2021-2022学年高二下学期4月调研考试数学试题新疆维吾尔自治区乌鲁木齐市第101中学2024届高三上学期12月月考数学试题
名校
4 . 已知函数
.
(1)求
的极值;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d266194b551192e78733572f7af4c21.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a08601642a723c7420bf7380e8548c9.png)
您最近一年使用:0次
2021-05-28更新
|
610次组卷
|
4卷引用:黑龙江省大庆铁人中学2021届高三三模拟数学(理)试题
黑龙江省大庆铁人中学2021届高三三模拟数学(理)试题黑龙江省大庆铁人中学2021届高三第三次模拟考试数学(理)试题(已下线)专题20 导数-备战2022年高考数学(理)母题题源解密(全国乙卷)安徽省六安市新安中学2021-2022学年高三上学期第五次月考数学(文)试题
5 . 已知函数
.
(1)当
时,求
的单调区间:
(2)若
且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2bcd57d8660e6eff8a17eae0544ab77.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0ffecb03c47be920254c4ccffa5b222.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc2c4a40fb423755ebaa57f608e1225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/427ddc261e4aea13a25fa479749f4074.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
6 . 已知函数
.
(1)讨论
的单调性;
(2)讨论关于
的方程
的实根的个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f59405013585793bc30959705491dc.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)讨论关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11839c7b076d090d6aa584315bce9b6d.png)
您最近一年使用:0次
2021-05-27更新
|
916次组卷
|
2卷引用:湖北省黄冈中学2021届高三下学期第三次模拟考试数学试题
解题方法
7 . 已知函数
,其中
.
(1)若
的极值为1,求实数
的值;
(2)若对任意
,有
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a1cb90d38f62c1f47bdf572ee98e44b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b767c33d36acbb9b5110ad0652237652.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa770ed26d32ef766ef7348fa3f46481.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
8 . 已知
.
(1)求
的单调区间;
(2)当
时,若关于x的方程
存在两个正实数根
,证明:
且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e761572a4051f3a3bc145c973f31b3e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1abf0cdd5f11934878e479ef1abfea64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afcd7422e4ebc4500a81c39174346ee6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e7b93a0ee368e333465fdf4ee249e41.png)
您最近一年使用:0次
2021-05-22更新
|
1756次组卷
|
6卷引用:陕西省宝鸡市千阳中学2021届高三下学期第五次适应训练理科数学试题
陕西省宝鸡市千阳中学2021届高三下学期第五次适应训练理科数学试题陕西省宝鸡市千阳中学2021届高三下学期第六次适应性训练理科数学试题(已下线)专题突破卷08 极值点偏移(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)专题8 导数与拐点偏移【练】(已下线)专题8 导数与拐点偏移【讲】
名校
解题方法
9 . 已知函数
,
,
,
(1)若函数
在区间
上不单调,求
的取值范围;
(2)求
的最大值;
(3)若
对任意
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa3e4ecad8025482a991a874757e572f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d188ec2580e273ce87e51653a2177ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d09a2b7c019dae83e027830b82b3ee8d.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2619486bf8c74304b67943c3d38c9f01.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d6fc9b90f370fbb27552876b650f8f.png)
您最近一年使用:0次
2021·浙江·模拟预测
解题方法
10 . 已知函数
.
(1)若曲线
在点
处的切线
与直线
平行,求直线
的方程;
(2)若对任意
,
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7a22bbeddddcca286d8280732546c7b.png)
(1)若曲线
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42498f6e0fc9a61c9857b70a87f02c5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)若对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cc4136bd17997e11a7f8abcb19f9018.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7a8c25cd79730b8b6d3ef64db034409.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次