名校
1 . 已知函数
(
)
(1)当
时,
有两个实根,求
取值范围;
(2)若方程
有两个实根
,且
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead0f1e5fcfb28067d524d6306f97792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49c4e2e12d7675817aa35c2fabebbcc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86b92b70365c63607daecdc8deb73ecf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/33bd24e647a626899a243a3f3984f90a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbb97b275b44933e4c6698bb1b873781.png)
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2022-11-15更新
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2卷引用:宁夏银川市第一中学2023届高三上学期第四次月考数学(理)试题
2 . 已知函数
,
.
(1)讨论
的单调性;
(2)当
时,求证:
,在
上恒成立.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9c05279dcfbe33c1a0a1165bbdec2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd5ad9e122fad0803a889a2aac51dcff.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e653994b245fbdc2ac3458429c65e69e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b4280adea02588850b0a1af4844fcea.png)
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名校
3 . 已知函数
,
(
为自然对数的底数,
).
(1)求函数
的单调区间;
(2)若
,
,证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89e5dd77cc308ae4654fb63e7affa1da.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa013c14811b4af0be52b6959b1307b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8b11e21b2dec2c64a3ca725d640d6f.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7863b54185da5a3f1a765e1aa0577e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/503a002dd51f5338c4bc0e15fb201c3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/177a5df55fc8ad23791b6147be16273e.png)
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2023-02-01更新
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562次组卷
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5卷引用:宁夏回族自治区银川一中2022届高考三模数学(文)试题
宁夏回族自治区银川一中2022届高考三模数学(文)试题山东省聊城市2021-2022学年高二下学期期中数学试题(已下线)专题3-3 利用导数解决单调性含参讨论问题(解答题)-2(已下线)导数与不等式山东省济南市莱钢高级中学2022-2023学年高二下学期3月月考数学试题
名校
解题方法
4 . 已知函数
.
(1)若曲线
在点
处的切线的斜率为4,求a的值;
(2)当
时,求
的单调区间;
(3)已知
的导函数在区间
上存在零点.求证:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81e544bfd601a9c15c9f03e7bc1fa45.png)
(1)若曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/150e8e4ca6aa729a72a6a17c36b8ebfe.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27e49b10fcceb2e4b0726772b434ec7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58411b65a71e9a452259eaf6ccea5313.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b3c981de28460a7f937b7a6dd7b94fd.png)
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2023-01-10更新
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13卷引用:宁夏银川市贺兰县景博中学2023届高三上学期第二次月考数学(理)试题
宁夏银川市贺兰县景博中学2023届高三上学期第二次月考数学(理)试题天津市部分区2022届高三下学期质量调查(一)数学试题(已下线)押新高考第22题 导数-备战2022年高考数学临考题号押题(新高考专用)宁夏吴忠市吴忠中学2022届高三下学期第三次模拟测试数学(理)试题重庆市万州第二高级中学2021-2022学年高二下学期六月第一次质量检测数学试题天津市朱唐庄中学2022届高三线上模拟数学试题天津市青光中学2022-2023学年高三上学期期末数学试题内蒙古自治区赤峰市赤峰第四中学2022-2023学年高二下学期3月月考数学试题(理)天津市第三中学2022-2023学年高二下学期期中数学试题湖南省株洲市炎陵县2022-2023学年高二下学期开学考试数学试题天津市实验中学2023-2024学年高三上学期第二次阶段检测数学试题天津市河东区天津八中2024届高三上学期第一次大单元练习数学试题天津市河西区天津实验中学2024届高三上学期第二次月考数学试题
名校
5 . 已知函数
,
.
(1)若
,求曲线
在点
处的切线方程;
(2)当
时,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95f985e28db62d7f3ad9980f336cc1b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa935ab9bd6d5a7da63efd2c28d70c53.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5828873f8369183faf71181cda5b61d2.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec814886f074a9392a4ed3a097732e39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f85ca950a70855d770f47f4025f2e14e.png)
您最近一年使用:0次
2022-12-17更新
|
322次组卷
|
3卷引用:宁夏银川市贺兰县景博中学2023届高三上学期第二次月考数学(文)试题
名校
解题方法
6 . 已知函数
.
(1)若
是
的一个极值点,求
的极值;
(2)设
的极大值为
,且
有零点,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fb2cc26bfb17e370742e9a128d708d6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/707ea658f3a9359f5740d5aab48f7948.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5839317bc84be73562c8e944ff10ef80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d132b0451d85491efaf9ea293b88745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96b7dc9cb9eeb17d51a97e181900b09c.png)
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2022-10-27更新
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963次组卷
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5卷引用:宁夏银川市景博中学2023届高三上学期期中考试数学(理)试题
名校
7 . 设函数
.
(1)讨论函数
的单调性;
(2)证明:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed81ca2c7cbcb77d7d4f21cad1b6a7a.png)
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/743ea4fe43f0d1e69fcea912b60fddec.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ed81ca2c7cbcb77d7d4f21cad1b6a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb2a1b34943af7df3828df3b4604d1c.png)
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2022-07-21更新
|
952次组卷
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6卷引用:宁夏银川一中2023届高三上学期第二次月考数学(理)试题
名校
解题方法
8 . 已知椭圆
的离心率为
,且点
在椭圆上.
(1)求椭圆的方程;
(2)若四边形
的顶点在椭圆上,且对角线
过原点,直线
和
的斜率之积为
,证明:四边形
的面积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52ad4a60e2b50a820ec2044aa55f2472.png)
(1)求椭圆的方程;
(2)若四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854be43a71207548612f94b0b4f8f5ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91c9bbbe71a1e6aa806b8a109fb52ce0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
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2022-04-03更新
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4卷引用:宁夏银川市第二中学2022届高三一模数学(理)试题
宁夏银川市第二中学2022届高三一模数学(理)试题(已下线)临考押题卷03-2022年高考数学临考押题卷(新高考卷)宁夏六盘山高级中学2023届高三上学期期末考试数学(理)试题(已下线)第26讲 圆锥曲线中定值问题(1)
21-22高二下·广东深圳·期中
名校
解题方法
9 . 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)
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2022-04-30更新
|
634次组卷
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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
10 . 已知椭圆
的焦距为2c,左、右焦点分别是
,
,其离心率为
,圆
与圆
相交,两圆的交点在椭圆E上.
(1)求椭圆E的方程.
(2)已知A,B,C为椭圆E上三个不同的点,O为坐标原点,且O为△ABC的重心.证明:△ABC的面积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2df20ba58b96bb43cfee5c968c3600b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc0ae9d467de07587346dac12bcec3b4.png)
(1)求椭圆E的方程.
(2)已知A,B,C为椭圆E上三个不同的点,O为坐标原点,且O为△ABC的重心.证明:△ABC的面积为定值.
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2022-03-26更新
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1023次组卷
|
6卷引用:宁夏银川市2022届高三质量检测(一模)数学(文)试题