1 . 已知
,
,对于平面内一动点
,
轴于点M,且
,
,
成等比数列.
(1)求点P的轨迹C的方程;
(2)已知过点A的直线l与C交于M,N两点,若
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0929421a6188c3122442866b0b85a5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55d12701014cf53071093e8739d089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c7d3228dfa69da4a312af3ca036a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea3a3db6d96518255f96ad7fc1ac98f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ffbd97467518d309bffa46df98f3fd4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d341082cc54b1cb7a790af9ec4a365d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c2f99ac2b6bc91b983628b68a5cd0d.png)
(1)求点P的轨迹C的方程;
(2)已知过点A的直线l与C交于M,N两点,若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e7c1ef675a7203b78fe9265948ed54.png)
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解题方法
2 . 已知
是偶函数.
(1)求
的值;
(2)证明:
在
上单调递增;
(3)若锐角
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14dcc1294ea803b17e3232090bb1df6c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d562dc22dfb3b81d0c3f88b54d063c2f.png)
(3)若锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/600550cc9a682c4560bc1689065885c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a8f15357e9ed24c8c433a32e502a25f.png)
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3 . 已知平面向量
,函数
.
(1)求不等式
的解集;
(2)求函数
在
上的单调区间;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04436f62861fc5db9b57e5bbaa78a115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c25f1d401fe5fd8748bb7c89751493b.png)
(1)求不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94cc25a7cf28ed096549fbae97fce40a.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/113cc2eb1633f22868d0f178b7dbdd74.png)
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解题方法
4 . 已知集合
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dd0f9c960a9f9c56b7fe8d5d983f425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b9b470218359a4a47be9244980489e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知四面体
的所有棱长均为2,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
A.![]() |
B.点![]() ![]() ![]() |
C.四面体![]() ![]() |
D.动点![]() ![]() ![]() ![]() ![]() |
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解题方法
6 . 已知集合
,
.
(1)当
时,求不等式
的解集;
(2)在①
,②
,③
这三个条件中任选一个作为已知条件,求a的取值范围.(注:若选择多个条件分别解答,则按第一个解答计分.)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c93fbd2e4edf4ee87d000e4a28619d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b0f4cfd5e4de2ad8d78b509c40e7fe5.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ce86e9a3437aa44fd2c8452aec77e58.png)
(2)在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eaf37be0c2d4521397102009c248f3cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/162ae13f0a5b3b825f51648fb85d7d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e15841ac004568a464df9cc7bb18392.png)
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7 . 已知数列
的前
项和为
,满足
,函数
定义域为
,对任意
都有
,若
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39fd1bcdae295c7b376a03d38df30348.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e98bcc4172d7bf18f1421ea14696552.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63e06ddd0dcd1c6d70f43eaacb01a0a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2809995903ff16ec696de6d4c761c7e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
8 . 已知数列的前n项和为
,满足
,函数
定义域为R,对任意
都有
,若
,则
的值为( )
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-08-27更新
|
388次组卷
|
4卷引用:河南省开封市杞县等4地2023届高三三模文科数学试题
河南省开封市杞县等4地2023届高三三模文科数学试题(已下线)第四讲:抽象函数【练】高三清北学霸150分晋级必备(已下线)专题05 数列 第一讲 数列的递推关系(解密讲义)福建省宁德市古田县第一中学2023-2024学年高二上学期第一次月考数学试题
解题方法
9 . 已知函数
.
(1)当
时,求不等式
的解集;
(2)
,当
时,
恒成立,求k的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018d6f1e0bcaf8df1f640737682d3b97.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2405c4822bceae1cf191edb502d3b0.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dce5bf0fdf0393a6c8afb3dee9bb4ca3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb63478132d4c1fef3c17e591919da83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3071ac33b103fe496daa07394b2678ae.png)
您最近一年使用:0次
2023-08-27更新
|
144次组卷
|
2卷引用:河南省开封市杞县等4地2023届高三三模文科数学试题
10 . 在边长为4的正方形
中,
在正方形(含边)内,满足
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50f2c98c84895030f3dffa92cb25ad20.png)
A.若点![]() ![]() ![]() | B.![]() ![]() |
C.点![]() ![]() ![]() | D.当![]() ![]() ![]() ![]() |
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