名校
解题方法
1 . 设
,
满足
.
(1)求a的值,并讨论函数
的奇偶性;
(2)若函数
在区间
严格减,求b的取值范围;
(3)在(2)的条件下,当b取最小值时,证明:函数
有且仅有一个零点q,且存在唯一的递增的无穷正整数列
,使得
成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68387e64bb027ceab6a69be173b1f8cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f168350df63ffad561fe335f8d4b805.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3265508e0cc5aef7d5ce7b664fac4dfd.png)
(1)求a的值,并讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756750e4165680966869695340a1b882.png)
(3)在(2)的条件下,当b取最小值时,证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7557a3b907566896bdb4c53548b2a477.png)
您最近一年使用:0次
2 . 已知函数
.
(1)若函数
与
的图象有一条斜率为1的公切线,求
的值;
(2)设函数
,证明:当
时,
有且仅有两个零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/739e9f9d0b66d8103a84716812c7d812.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b1c31098853d5b1638705a2b86f7b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2f4630b66f80a5f2b7f186e49b321e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
您最近一年使用:0次
名校
3 . 已知函数,
(1)直接写出
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/151112fcc00cde6b56dccb8f929c0177.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00755d4400126d981ea221806996b7f.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a53a56f3f0b8514891b2a28deefbf824.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30e7fd1622316cd0f50b193a3c573e75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-14更新
|
799次组卷
|
4卷引用:辽宁省大连市2022-2023学年高一上学期期末数学模拟试题
辽宁省大连市2022-2023学年高一上学期期末数学模拟试题(已下线)高一上学期期末考试解答题压轴题50题专练-举一反三系列(已下线)专题2.3 幂函数与指、对数函数【九大题型】辽宁省葫芦岛市绥中县第一高级中学2023-2024学年高一下学期期初考试数学试题
名校
4 . 已知函数
, 其中
为常数,且
.
(1)若
是奇函数, 求a的值;
(2)证明:
在
上有唯一的零点;
(3)设
在
上的零点为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2e3924eec702da188b05db6b49c13b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d33da711e50e96568facb18cef27165.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/140b766ac14599c6f6b06117b32aea91.png)
您最近一年使用:0次
2023-02-18更新
|
933次组卷
|
3卷引用:浙江省杭州第二中学2022-2023学年高一上学期期末数学试题
浙江省杭州第二中学2022-2023学年高一上学期期末数学试题(已下线)高一上学期期末复习【第四章 指数函数与对数函数】十大题型归纳(基础篇)-举一反三系列2023年7月浙江省金华市高二学考模拟数学试题
5 . 已知函数
,
是
的导函数,且
.
(1)求实数
的值,并证明函数
在
处取得极值;
(2)证明
在每一个区间
都有唯一零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd2cb50e32b7dd952b7b8931fd140a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aae17aeafc0a40b66bf6f65db99c237e.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb45f673c56a289ea78831c9237e8d20.png)
(2)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcb0413e82c996ae83b2f8e6440dc4e4.png)
您最近一年使用:0次
2023-04-13更新
|
1671次组卷
|
4卷引用:东北三省四市教研联合体2023届高三一模数学试题
解题方法
6 . 已知函数
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0a5133b8460df6c46da0e44051e2a5.png)
(1)求
的最大值;
(2)证明:函数
有零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3e344722379122022e49a0dc2a481c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0a5133b8460df6c46da0e44051e2a5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d5240218aac51404e9b423d8976152.png)
您最近一年使用:0次
2023-06-29更新
|
237次组卷
|
3卷引用:江苏省扬州市2022-2023学年高一下学期期末数学试题(B)
名校
解题方法
7 . 已知
.
(1)若函数
在区间
上单调递增,求实数
的取值范围;
(2)若函数
有两个极值点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8659a457f8df7d736479348fd9833743.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870ebc2f7aabb028024894568d749934.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/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f44b7a573883427d7770cb119596f4.png)
您最近一年使用:0次
2022-11-27更新
|
1272次组卷
|
7卷引用:广东省广州市2023届高三上学期11月调研数学试题
广东省广州市2023届高三上学期11月调研数学试题(已下线)专题17 函数与导数压轴解答题常考套路归类(精讲精练)-3(已下线)江苏省八市2023届高三二模数学试题变式题17-22山东省济南市济阳闻韶中学2023届高三上学期12月月考数学试题(已下线)专题突破卷10 导数与不等式证明江西省新余市2023届高三上学期期末质量检测数学(文)试题福建省永春第一中学2022-2023学年高二下学期6月月考数学试题
8 . 已知函数
.
(1)若函数
有两个零点,求实数
的取值范围;
(2)若函数
,
是
的导函数,证明:
存在唯一的零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cb64704d63e5beb91c0b19497405c43.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8b0f2011de3134b39467faaa0e0098e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22add663bd26e87d972a10dc5fd9ada1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1174cfe5d6476d3ed4dcc54986f8c79.png)
您最近一年使用:0次
2023-03-19更新
|
536次组卷
|
4卷引用:专题2 导数(5)
(已下线)专题2 导数(5)(已下线)模块一 专题5 导数及其应用 2 (北师大2019版)河南省周口市太康县第二高级中学2022-2023学年高二下学期3月月考数学试题广西部分学校2023届高三二轮复习阶段性测试数学(理)试题
名校
9 . 已知函数
.
(1)若曲线
在点
处的切线方程为
,求a,b的值;
(2)若
,证明:
在区间
内有唯一的零点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e30671f198b6db7d59cd6d4cf3443299.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/606e5694c2f33033cced4e29d3152c16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf65191643885842f4cb52d8b28e44fa.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e1c9c97de9198d47306216e9961b80.png)
您最近一年使用:0次
10 . 已知函数
.
(1)求函数
的单调区间;
(2)若a>0,证明:
有且只有一个正零点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df0fa274599a8195c37a0e8f9fb8a8ec.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若a>0,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ca653ade5441cd31df8762720060efc.png)
您最近一年使用:0次