1 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3d4ea984112cce5fbe4e376462f3629.png)
A.![]() | B.![]() ![]() |
C.![]() ![]() | D.方程![]() |
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解题方法
2 . 一动圆与圆
外切,同时与
内切.
(1)求动圆圆心的轨迹方程
,并说明它是什么曲线;
(2)设点
,斜率不为0的直线
与方程
交于点
,
,与圆
相切且切点为
,
为
中点.求圆
的半径
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550cff6e15507d3946ce6ac1a0a93535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ddd9c085833b7cba67a8dd5c66db220.png)
(1)求动圆圆心的轨迹方程
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37bbde2076bfa6dd859f7787e155ab8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
您最近一年使用:0次
2023-11-23更新
|
293次组卷
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2卷引用:山东省临沂市沂水县2023-2024学年高二上学期期中考试数学试题
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3 . 已知函数
,
.
(1)讨论
的单调性;
(2)已知
有两个极值点
,且
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fce03d543ae6d19bb0743a53b5f98e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10bbdef421c976962a270a2beabbad91.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)已知
![](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/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b764a9f6ce514bf09fcdd36c1e66f76.png)
您最近一年使用:0次
2023-11-23更新
|
339次组卷
|
2卷引用:山东省临沂市2023-2024学年高三上学期期中考试数学试题
名校
解题方法
4 . 已知函数
.
(1)若函数
在
上单调递增,求
的值;
(2)当
时,证明:函数
有两个极值点
,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179f7d2b461e723a0ec0e01b03f2f6b2.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2372f424431ce7b547a66b7d61d75421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e189dbc979fad6bf8ca03ac1388cbac0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aca579894dad67bc82cb715fd48e0d70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a92d6788132b5aea5b7b2fde802acc98.png)
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5 . 已知
,
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12eb132b2b1a77e0436c7665a897bb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c156daf9d637d28127f4faefde37994.png)
A.函数![]() ![]() |
B.![]() ![]() ![]() ![]() |
C.若对任意![]() ![]() ![]() |
D.若![]() ![]() ![]() |
您最近一年使用:0次
2023-11-19更新
|
700次组卷
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3卷引用:山东省泰安市2023-2024学年高三上学期11月期中考试数学试题
山东省泰安市2023-2024学年高三上学期11月期中考试数学试题(已下线)广东省深圳市深圳中学2024届高三第一次调研数学试题黑龙江省哈尔滨市第三中学校2023-2024学年高二下学期第一次验收考试数学试卷
解题方法
6 . 已知椭圆
的左、右焦点分别为
和
,
的下顶点为
,直线
,点
在
上.
(1)若
,线段
的中点在
轴上,求
的坐标;
(2)椭圆
上存在一个点
,
到
的距离为
,使
,当
变化时,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea1fe542a68e43903ceddaf05f1aa99f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/486279e7ff9f2b76c2ce712f5dedcb9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/385afe18c3fad66fdeadf74be824283c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a33c59c976d82fd4abe688073e7356c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e258ab9e600435b37465092243d99f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(2)椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8008e9ed40d6486ade381e1bc3b16864.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17aa9cc77d3bc1a6ce80ad20fa8b828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
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解题方法
7 . 已知椭圆
分别为它的左右焦点,
分别为它的左右顶点,点
是椭圆上的一个动点,下列结论中正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bbaadaa9ace3f296ebe124dcd6032a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.存在![]() ![]() |
B.![]() ![]() |
C.直线![]() ![]() ![]() |
D.![]() ![]() |
您最近一年使用:0次
2023-11-17更新
|
440次组卷
|
2卷引用:山东省聊城市2023-2024学年高二上学期11月期中数学试题
8 . 已知椭圆
,①直线
过
的右焦点
,椭圆的长轴长是下顶点到直线
的距离的2倍,②点
,
都在
上,③四点
,
,
,
中恰有三点在椭圆
上.
在以上三个条件中任选一个,解答下列问题.
(1)求椭圆
的标准方程:
(2)设
,
,
是椭圆
上不同于
,
的两点(其中
在
轴上方),若直线
的斜率等于直线
的斜率的2倍,求四边形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21b013a7ba43aee510ce023c20dcf976.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cd99c5000629d7f49499d666e68f40d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/182c81fb1c5e6d1a57a5f34a31ee69a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce79e66f7c668e987b4f538052067801.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f6479887f217e7ca2de0f8011d25709.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19cf594b6ba8044338c3a3d22e1e6998.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14680106fbf20eb00b632cedc4748f86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
在以上三个条件中任选一个,解答下列问题.
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852b303689c31189cd47bb4a3220f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae3e029070ad0d2ce680d5336ed7150a.png)
您最近一年使用:0次
2023-11-16更新
|
234次组卷
|
2卷引用:山东省菏泽市2023-2024学年高二上学期11月期中考试数学试题(B)
23-24高三上·山东德州·期中
9 . 已知函数
有两个极值点
、
.其中
,
为自然对数的底数.
(1)求实数
的取值范围;
(2)若
恒成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a074146dbf0674e783b56ad364e291cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffd888afdcfdb3e91a157d50f65e915e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22dd8b3dc4c609bab82d356a5cc2208d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79bce20d95989232a5ba0471bd00e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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23-24高三上·山东德州·期中
10 . 关于函数
,
为常数,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d93eda41c54638f286028882302fff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.若![]() ![]() |
B.当![]() ![]() |
C.若![]() ![]() ![]() |
D.若函数![]() ![]() |
您最近一年使用:0次