名校
1 . 已知函数
,其中
.
(1)当
时,
,求a的取值范围.
(2)若
,证明:
有三个零点
,
,
(
),且
,
,
成等比数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30d8543507212b830a2a03d4a8f6d139.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8c164755dc2d7cff80fb4c9cffc9be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/301605e86e5a5e61a65c91cd3dd8b77e.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1310a7a80d1f8751a3f8cafe7f8c8b4.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/291c25fc6a69d6d0ccfb8d839b9b4462.png)
您最近一年使用:0次
名校
解题方法
2 . 已知函数
.
(1)求函数
的最小值;
(2)求函数
在
上的最小值;
(3)若不等式
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbfc436eb1738984ed3b50eca6569a02.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48222eea9755a7c7635578031a573bc4.png)
(3)若不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/debc8cbedc653426b661fc3082671c1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2024-04-30更新
|
666次组卷
|
2卷引用:四川省蓬溪中学校2023-2024学年高二下学期5月月考数学试题
3 . 已知
,
,
均为正数,
,
,
,则
,
,
的大小关系为( )
![](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/322ffe625133a1bbc5517813b02943d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0b5f40988de5757d47ce219b97533d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5c61732e3a7dffdf8385172f2bd1500.png)
![](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)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-03-27更新
|
641次组卷
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7卷引用:2024届四川省遂宁市等3地高三二模文科数学试题
名校
4 . 已知函数
.
(1)若
,判断
在
上的单调性,并说明理由;
(2)当
,探究
在
上的极值点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c454a4d06636c87815efc7c83abe75f7.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b4d795709b0abcf47bceec2250f2f9b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a80708bb56041678e6256ca37ec2355.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ff8dca35b759d3051b62badd7d76bc.png)
您最近一年使用:0次
2024-01-04更新
|
1743次组卷
|
8卷引用:四川省遂宁市2024届高三一模数学(文)试题
四川省遂宁市2024届高三一模数学(文)试题四川省广安市2024届高三一模数学(文)试题四川省资阳市2024届高三二模数学(文)试题江西省赣州市南康中学2024届高三上学期七省联考考前数学猜题卷(三)(已下线)模块三 大招9 函数零点问题的处理大招(已下线)重难点06 导数必考压轴解答题全归类【十一大题型】四川省雅安市2024届高三一模数学(文)试题四川省眉山市2024届高三一模数学(文)试题
名校
解题方法
5 . 已知函数
(其中
为实数).
(1)若
,证明:
;
(2)探究
在
上的极值点个数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a57451cb33cee6a4876b5602c700f14.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cfbd4a8f720eb187ecfd4b4fe69d1a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e9c599e8d420006448905acec2b8234.png)
(2)探究
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28933f93d4952657848a1564f37bd6e5.png)
您最近一年使用:0次
2024-01-03更新
|
929次组卷
|
8卷引用:四川省遂宁市2024届高三一模数学(理)试题
名校
解题方法
6 . 椭圆
与双曲线
有相同的焦点,且过
.
(1)求椭圆
的方程;
(2)如图所示,记椭圆的左、右顶点分别为
,
,当动点
在定直线
上运动时,直线
,
分别交椭圆于两点
,
.
(i)证明:点B在以
为直径的圆内;
(ii)求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ffb877445206ef92ce21c0856c5408e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2de52259b426acb42761fec59a7748.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/1/2eea8918-94ca-4ef3-bd39-183eade5b525.png?resizew=173)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)如图所示,记椭圆的左、右顶点分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(i)证明:点B在以
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
(ii)求四边形
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d4ab45e8e8f0084d8d90a4c1233d86.png)
您最近一年使用:0次
2023-11-29更新
|
1070次组卷
|
4卷引用:四川省遂宁市射洪中学校2023-2024学年高二上学期第三次学月考试数学试题
名校
解题方法
7 . 已知椭圆
的左,右焦点分别为
,
,圆
,点P在椭圆C上,点Q在圆M上,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e756feec2851b90497421790a7206e76.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/3935dafafc5f643540f7dc493073af85.png)
A.若椭圆C和圆M没有交点,则椭圆C的离心率的取值范围是![]() |
B.若![]() ![]() |
C.若存在点P使得![]() ![]() |
D.若存在点Q使得![]() ![]() |
您最近一年使用:0次
2023-11-11更新
|
596次组卷
|
6卷引用:四川省遂宁市射洪中学校2023-2024学年高二上学期第三次学月考试数学试题
名校
8 . 已知
.
(1)证明:当
时,
在
上单调递增;
(2)当
时,关于
的不等式
在
上恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a95afb3cd057b52806817966e6ccd2b.png)
(1)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb5f421939ee855f25927e7570d82c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/917ae6fcf56fa6b4fc9852854cd8f78b.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb89b43d34a805025b439f6aabb15529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0bb82965d5b3c7426b5fc82f5edeb7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
您最近一年使用:0次
2023-03-26更新
|
1345次组卷
|
8卷引用:四川省射洪中学校2023-2024学年高二下学期6月月考数学试题
名校
解题方法
9 . 已知函数
.
(1)讨论函数
的单调性;
(2)若
有两个零点
,
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc64ef255eed148ba560aa5a4e5d0f1e.png)
(1)讨论函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](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/c801868ef4a727c52973e3435ebe7186.png)
您最近一年使用:0次
2023-03-23更新
|
738次组卷
|
4卷引用:四川省射洪中学2023-2024学年高二(文尖班)下学期第三次月考数学试题
10 . 已知函数
,其中
,
.
(1)求函数
的单调区间;
(2)当
时,函数
恰有两个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a31e39a2886c180b19b88c04493def87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ad4c5158eed041425cf7a783e712bfa.png)
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2023-03-22更新
|
1073次组卷
|
3卷引用:四川省遂宁市射洪中学校2024届高三下学期开学考试理科数学试题