名校
1 . 设
,函数
.
(1)若
,求
的值;
(2)求证:
恰有1个极小值点,
恰有1个零点:
(3)若
是
的极值点,
是
的零点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a2a2e9c6e02dea82d9ff6939761d19.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b5d0ee407ab6b3e68dd80c415366a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9caf18c572212f3d627b6a99f41b8264.png)
您最近一年使用:0次
2022-07-10更新
|
570次组卷
|
2卷引用:北京市清华大学附属中学2021-2022学年高一下学期期末考试数学试题
名校
2 . 已知函数
.
(1)当
时,求曲线
在
处的切线方程;
(2)当
时,证明:
有且只有一个零点;
(3)求函数
在
上的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7de0d560791581f7f31b0101e04d62c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7326ea56be82bd616fec7e6aa3c884c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6c1756b564bf1d998d8179637011c88.png)
您最近一年使用:0次
2023-03-14更新
|
902次组卷
|
3卷引用:北京市一六一中学2023届高三下学期3月阶段测试数学试题
名校
3 . 已知函数
,
.
(1)求曲线
在点
处的切线方程;
(2)求函数
的单调区间;
(3)证明:任意
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01f07f492970fb506e298b9d0b07610e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7e58f924effedf5999fe82d57cf2774.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(3)证明:任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a09d39e60a2a1fe7aebfa53465676c.png)
您最近一年使用:0次
名校
4 . 已知函数
.
(1)求曲线
的斜率为1的切线方程;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f11b13fcc5fe9c59312bd6cfdbb479b.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f90350729de19093eefcbd86ab20baa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8963a7bae6c46b2e9e949798e99642c4.png)
您最近一年使用:0次
名校
5 . 已知函数
.
(1)若函数
在
时取得极值,求
的值;
(2)在第一问的条件下,求证:函数
有最小值;
(3)当
时,过点
与曲线
相切的直线有几条?直接写出结果.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7d28dc486d8f9351e183a57020a28f.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0997aef37c85b3b959a948673bf65490.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)在第一问的条件下,求证:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f1f822318127dd4d98dcb196bf003e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
2023高二·上海·专题练习
名校
6 . 已知函数
为常数,
是自然对数的底数),曲线
在点
处的切线与
轴平行.
(1)求
的值;
(2)求
的单调区间;
(3)设
,其中
为
的导函数.证明:对任意
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/760d305308332774b7b78d44d07a5009.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b40940b4fd4d0a4c2aa886bc70ec1c5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d29c5c266a6d834a244c1f50c8f9848c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d875692984acee55866d1fccafa75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2495c66dd202153fcdad0e2a34abf50c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db87918cf32f0efa00edbf90c9f186c3.png)
您最近一年使用:0次
7 . 已知函数
.
(1)当
时,求曲线
在点
处的切线方程;
(2)求函数
的单调区间;
(3)当函数
存在极小值时,求证:函数
的极小值一定小于0.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d743e631341bac4f8b329ae92d09ca88.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)当函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
2023-01-11更新
|
870次组卷
|
2卷引用:北京市通州区2023届高三上学期期末数学试题
名校
8 . 设函数
.
(1)若
,求函数
的单调区间;
(2)若函数
在区间
上是减函数,求实数a的取值范围;
(3)过坐标原点O作曲线
的切线,证明:切线有且仅有一条,且求出切点的横坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25c2c76362d908309c59339d7999b643.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0109d06b8be2e402b5ffbb0aeb501009.png)
(3)过坐标原点O作曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
2023-02-14更新
|
1148次组卷
|
3卷引用:北京市海淀区中国人民大学附属中学2023届高三下学期开学摸底练习数学试题
9 . 已知函数
.
(1)求曲线
在
处的切线方程;
(2)设函数
,判断函数
在区间
上的单调性,并说明理由;
(3)设函数
,求证:函数
存在最小值
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc873fc03e6e4d3c4ba02f8b1147b20.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5023a1276431e599f9c82e378a144c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7160d93f92089ef36f3dab809d3114b8.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f3fdc29112b0d50d39462cce4a832c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f786a5701dc1a8a015e8843c3360151b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d132b0451d85491efaf9ea293b88745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c35486e2a51af567b417978cc3f6e1.png)
您最近一年使用:0次
10 . 已知函数
.
(1)求曲线
在点
处的切线方程;
(2)求
的极值;
(3)证明:当
时,曲线
:
与曲线
:
至多存在一个交点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b1d897bf1170f96cac0c36823a512a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/347c62b44fae618a37c145b3b5d1f1db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91bfd5abb64aa5cb04603a777d7c78c7.png)
您最近一年使用:0次