名校
解题方法
1 . 设函数
,
.
(1)①当
时,证明:
;
②当
时,求
的值域;
(2)若数列
满足
,
,
,证明:
(
).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9df075cd20f79486d88d80ee12fc897d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5883f63cdc68865d41cc935b7b39557d.png)
(1)①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ffa28c7f519c1c85c0a3cad23b2e6cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b065334d8f60c49f4bd3d9f1373fe4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ebb32ddcd84417fc992dad3ccba8894.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9645bd4d2002993b90ec6d48f9c04f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/adfbda63ad7cfeb044819141f1924598.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
您最近一年使用:0次
2023-12-30更新
|
1078次组卷
|
4卷引用:四川省成都市第七中学2024届高三上学期期末数学(理)试题
(已下线)四川省成都市第七中学2024届高三上学期期末数学(理)试题重庆市育才中学、万州高级中学及西南大学附中2024届高三上学期12月三校联考数学试题广东省广州市华南师大附中2024届高三上学期大湾区数学预测卷(一)(已下线)微考点2-5 新高考新试卷结构19题压轴题新定义导数试题分类汇编
2 . 已知函数
.(
是自然对数的底数)
(1)求
的单调递减区间;
(2)记
,若
,试讨论
在
上的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3309b6e2a4ed81c120db4555d32a09c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00210f79b04a8f6bc1922433d00bc89a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37c84b49231d0344d0813a7bbd2acdaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71163f419555f2ed76075c8ff659fbfc.png)
您最近一年使用:0次
2023-12-28更新
|
897次组卷
|
4卷引用:四川省成都市第七中学2024届高三上学期期末数学(文)试题
3 . 已知函数
.
(1)当
时,讨论函数
的单调性;
(2)记
,若
与
的图像有两个交点,记交点的横坐标分别为
求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f6836cfc8e6dbcc092116b83b72f97a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4bc08a6df8656d3d90e8fdc95bde715.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/531bcdb6324cb5a759301daddf9768c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdc8758978e083d2e7c06cb6a28a79a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2faf1da9cb0b40d3a52941602073c03f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d93bc59ce767c6275879be09fa0e7a.png)
您最近一年使用:0次
4 . 已知函数
(e是自然对数的底数).
(1)当
时,求
的极值点;
(2)讨论函数
的单调性;
(3)若
有两个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8c207efd83d75c1f69237d97616c726.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9711fcbe1feea3f6b8d7f3e143517c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-07-19更新
|
658次组卷
|
5卷引用:四川省遂宁市2022-2023学年高二下学期期末数学(文)试题
解题方法
5 . 已知函数
.
(1)若曲线
在点
处的切线与直线
相互垂直,求
的值;
(2)若函数
存在两个极值点
,且
.证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa71ead932ab8b969d41007c5ec5f9ef.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d8038c0ae808b69f521da27ed96557a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff60eab72de85437e12806474281612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44f86a07d86215e8e3247abfc1a2392b.png)
您最近一年使用:0次
2023-07-18更新
|
244次组卷
|
2卷引用:四川省德阳市2022-2023学年高二下学期期末数学理科试题
6 . 已知函数
,
.
(1)当
时,求函数
的极大值;
(2)记
,
,
,若
有两个零点记为
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9bffe3278517f19cd26e6be6a7ffb7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90dab35a3a6c08688da0ea37ce914836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06f4ec273c3e4fe153100aff88e01806.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe3c2faa2868470ff3b0913e1301fb3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c388166862b3ccfcc7ca749ebe5949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2aabc96b7433bba077ceac76d8f0d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cfb45b1259c5111ef7d3d97d4681b2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6719de6a1b627f810603e301e54a45fd.png)
您最近一年使用:0次
7 . 已知函数
,
其中
为自然对数的底数.
(1)当
时,证明:
;
(2)当
时,求函数
零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acbb5347045d7ebb2cb81a8888d800bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dae35b4fcb65f73f6c3323cf6a888a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
您最近一年使用:0次
名校
解题方法
8 . 已知函数
.
(1)若
,求
的极值;
(2)若
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdc582458f43ed2fdc0b8c51dcad1494.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f6d1efa04a6bc0ec188ced80b9a2cd1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e2e79843faf62dde86bf858d1e0569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eec54dae13eddc5299d30731e2a7d12d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-07-13更新
|
304次组卷
|
3卷引用:四川省资阳市2022-2023学年高二下学期期末数学文科试题
名校
9 . 设函数
,
,其中e是自然对数的底数.
(1)若曲线
在
处的切线与曲线
相切,求a的值;
(2)若
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a4f7cd2e4835c2d3de36a3d74fbd2cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e1ebf726424e476f2ebf169381381e.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/1938c093dd2fbcb752d0eb7a18d143b2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35e9dd2104e1732ea13fe10c207eb3fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9039b184aba70f205175639b4cdc66c7.png)
您最近一年使用:0次
2023-07-13更新
|
242次组卷
|
2卷引用:四川省泸州市2022-2023学年高二下学期期末数学理科试题
10 . 已知函数
,当
时,
取得极小值,且
.
(1)求函数
的解析式;
(2)讨论函数
在
的零点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d21b41ffcdb92c5a0d357bb892216e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91f3ba0e94d4b9c1ed39b8a7e3c439b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f53a213b9a180771ab2d8f2931f7f6.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fcd0087e957894658cb19c31c5f4d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/387f566276c0411ef1d55f74cb7ab567.png)
您最近一年使用:0次