解题方法
1 . 设函数
,
.
(1)若函数
在
上存在最大值,求实数
的取值范围;
(2)当
时,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1eeb85d936ae872de070051709e0da63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79ca07251d3334da5976d482747f403a.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1422e1561be02d6571ef98b424f05f0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4acda6b6464db27e1ec18a1522406d2.png)
您最近一年使用:0次
解题方法
2 . 已知函数
,
.
(1)函数
的导函数是
,求证:
;
(2)若函数
在
上存在最大值,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7ed99a74e126a05cb520f19c094020.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94d47f9473160059466bf57fd2e64332.png)
(1)函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/724340d69477c0ec2418c392b22b1cab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd69ea1cf7b4702c25358cd8677d4252.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
名校
解题方法
3 . 已知函数
.
(1)若
,
,求实数a的取值范围;
(2)设
,
是函数
的两个极值点,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8b26e9c2bd96441e1db6799681ca9b0.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/047056c99b39c70fa40d3c8178e5b631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a71baf6217604517fd98fa97d0f55b43.png)
(2)设
![](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/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4b78ccc2ef147d41adc50cb7fa57786.png)
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2023-09-01更新
|
277次组卷
|
2卷引用:河南省新乡市第二中学2024届高三上学期1月测试数学试题
2023·全国·模拟预测
解题方法
4 . 已知函数
.
(1)若
的最小值为
,求a的值;
(2)若
,证明:函数
存在两个零点
,
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8fe8001efa3ac5ea5ea255956589f6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51efd0163c1f9115361d7527080be07c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.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/f182fe1b19b8fa6757ce7d2973cd4714.png)
您最近一年使用:0次
解题方法
5 . 已知函数
.
(1)若
在
上存在最小值,求实数m的取值范围;
(2)当
时,证明:对任意的
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e71fc7ebd0a0624b0b4dd42d4b8dbeef.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85a1f815b0e0b6516b684a93e1850667.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aed39f5aca78934fb383402433fe549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b12b86fc45279e030d9913f32b98a78.png)
您最近一年使用:0次
2022-12-12更新
|
394次组卷
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3卷引用:导数专题:导数与不等式成立问题(6大题型)-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册)
(已下线)导数专题:导数与不等式成立问题(6大题型)-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019选择性必修第二册)陕西省安康市2023届高三上学期12月一模文科数学试题贵州省黔西南州兴义市顶效开发区顶兴学校2023-2024学年高三上学期第三次月考数学试题
名校
6 . 已知函数
的最小值和
的最大值相等.
(1)求
;
(2)证明:
;
(3)已知
是正整数,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2761a0b9984ac432266cd400a5d555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28619e2b3929d4349b4dfc30c141fce5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4206f04118e8479a6eb4f2fa1f3c28.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f5ef590cd972720d8002f83a74c71d2.png)
您最近一年使用:0次
2023-01-15更新
|
1472次组卷
|
3卷引用:山东省枣庄市第八中学2023-2024学年高二下学期三月测试数学试卷
名校
7 . 已知函数
和
有相同的最大值,并且
.
(1)求
;
(2)证明:存在直线
,其与两条曲线
和
共有三个不同的交点,且从左到右的三个交点的横坐标成等比数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bd47d14455dfe82e80cef3515203e70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8b56fd7d7082666f4e2f539af26f207.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f47d0bdb7d49fb3961b578cfd00576.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632244ea6931507f8656e1cc3437d392.png)
(2)证明:存在直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead6a3dbd03539ef5e0807be57bb1e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
您最近一年使用:0次
名校
8 . 已知函数
和
有相同的最大值.
(1)求a;
(2)证明:存在直线y=b,其与两条曲线
和
共有三个不同的交点,并且从左到右的三个交点的横坐标成等比数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c253250158e5f569496aacb7d2bf29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aeb73ca53360b7032a36797dfaa20fe7.png)
(1)求a;
(2)证明:存在直线y=b,其与两条曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
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2022-08-02更新
|
1383次组卷
|
7卷引用:专题07 函数与导数常考压轴解答题(练习)
解题方法
9 . 已知函数
.
(1)若
,求曲线
的斜率为0的切线方程.
(2)若
,函数
有最大值.
①求实数t的取值范围;
②设
的最大值为
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9224dda2f688a96bd56d9c2b4f8cc877.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df3eb24e720ba424dca651a31ed61552.png)
①求实数t的取值范围;
②设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63d0532bf8ea573af0bc5bbda9e52154.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30a5b9229a9861443ac5f87afe18fa11.png)
您最近一年使用:0次
名校
解题方法
10 . 已知函数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616d615881fea181c6bf6cdd614690a6.png)
(Ⅰ)当
时,若函数
在区间
上的最小值为
,求
的值;
(Ⅱ)当
时,求证:对于一切的
,
恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/616d615881fea181c6bf6cdd614690a6.png)
(Ⅰ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c67a7e28dba059006021a2e2105f538.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/579e2c39e6c0a640357e3b0ccd6f954a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274a9dc37509f01c2606fb3086a46f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(Ⅱ)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10ede78fd7ac619ea597856254bb5d75.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fde64f4d3c38e43fbdee24eadc4b0dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2d5f0d005ac7ce7c6d8119d97a11a56.png)
您最近一年使用:0次
2020-03-15更新
|
466次组卷
|
2卷引用:江西省南昌市第十九中学2024届高三下学期第二次模拟考试数学试题