21-22高二下·广东深圳·期中
名校
解题方法
1 . 已知函数
,其中![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65c909f0297cf0ff85e12c9367f1114.png)
(1)若
有两个极值点,记为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a75d5cbdd3238fbd219345b5a28d425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
①求
的取值范围;
②求证:
;
(2)求证:对任意
恒有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c4298a188aa8f9a73d2c77fe585046.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d65c909f0297cf0ff85e12c9367f1114.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a75d5cbdd3238fbd219345b5a28d425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45bcd8f6ede8cc2513ad41402f40086.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
②求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ca13a93b5f401c0d39ba52b0cffcb0.png)
(2)求证:对任意
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcef9973fc8cb94811060cc28f2d8a21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5598c66b0091de375e927c279468899a.png)
您最近一年使用:0次
2022-04-30更新
|
636次组卷
|
3卷引用:宁夏回族自治区银川一中2022届高考三模数学(理)试题
宁夏回族自治区银川一中2022届高考三模数学(理)试题(已下线)广东省深圳中学2021-2022学年高二下学期期中数学试题江苏省南京市金陵中学河西分校2022-2023学年高二下学期3月阶段检测数学试题
2 . 已知
,
,
为正数,且满足
.证明:
(1)
;
(2)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/751e274e9107d780c39ba9c49d6daefb.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe8b11e627243dc6d47b6f09eb9249b.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be314ca44b20530d1cf3489cc8d26fa0.png)
您最近一年使用:0次
2021-03-21更新
|
379次组卷
|
8卷引用:宁夏回族自治区银川一中2024届高三下学期第四次模拟考试数学(理)试卷
(已下线)宁夏回族自治区银川一中2024届高三下学期第四次模拟考试数学(理)试卷(已下线)宁夏回族自治区银川一中2024届高三下学期第四次模拟数学(文)试卷宁夏回族自治区银川一中2024届高三下学期第四次模拟考试数学(文)试卷河南省非凡2020-2021学年高三(3月)调研考试文数试卷河南省非凡2020-2021学年高三(3月)调研考理数试卷(已下线)押第23题 不等式选讲-备战2021年高考数学(文)临考题号押题(全国卷1)(已下线)押第23题 不等式选讲-备战2021年高考数学(理)临考题号押题(全国卷1)江西省上高二中2021届高三下学期第九次月考数学(理)试题
3 . 已知函数
.
求函数
的单调递增区间;
设函数
,函数
.
若
恒成立,求实数
的取值范围;
证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca0ea6002785d5df3a4870e159de076d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4141b26d2c32655003494a91ad6331b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7028a5fa4d781d382ca3b73b74796e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65863c1abad833b79c303bfca24f535c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71013e40b47eae7f60ae79297012cfc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30f9490631e2c8eb6e57879c27554c62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c512c047783c07da1d4f4455a4033ef5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/392fadea33e5842027b50163955ae554.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876959b9f90f2379cf3d0927a8e31005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15142cd3ab6529d6b74123b63610fcce.png)
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