1 . 已知椭圆
的左右焦点分别为
,点
为椭圆
上异于顶点的一动点,
的角平分线分别交
轴、
轴于点
.
(1)若
,求
;
(2)求证:
为定值;
(3)当
面积取到最大值时,求点
的横坐标
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7775aa57ca0e62216f3039ed88dceed0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e099a6abe3e9566b2ad385906e323fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4ef569668e797b1e94257fd5f4384dd.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/066b9c12f71ed215ed8e98df05584f76.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64b0bac6df5da367c886f57d562c72c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
您最近一年使用:0次
2024-02-12更新
|
1975次组卷
|
4卷引用:辽宁省丹东市东港市第二中学2024届高三下学期高考热身考试数学试卷
解题方法
2 . 函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5230191e8e185826cc66a954449117e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17e1bab294e299d6df888f148bb8a362.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2024-01-21更新
|
519次组卷
|
3卷引用:辽宁省丹东市2023-2024学年高一上学期期末教学质量监测数学试题
名校
解题方法
3 . 已知定义在
上的函数
,对于
,恒有
.
(1)求证:
是奇函数;
(2)若
是增函数,解关于x的不等式
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f70e0db0174a2c05b28fb6d0c2508778.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd384d86840b7b158af41f56fe29c7d1.png)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec1cdb84948a62fecaec0e17018ddf08.png)
您最近一年使用:0次
2024-01-21更新
|
606次组卷
|
4卷引用:辽宁省丹东市2023-2024学年高一上学期期末教学质量监测数学试题
名校
4 . 抛物线
的准线方程是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a722538a894aa7056d745fca0cfd3dee.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2024-01-21更新
|
853次组卷
|
5卷引用:辽宁省丹东市2022-2023学年高二上学期期末数学试题
名校
5 . 已知函数
在区间
上有两个零点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a5fbf9884d999858eb55e5c4b892bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12ca681ae72055316ef35c01fdb27034.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2023-12-29更新
|
886次组卷
|
3卷引用:辽宁省丹东市2023-2024学年高一上学期期中教学质量调研测试数学试题
解题方法
6 . 函数
的定义域是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c30d8e57eb81a5af2bc68e25956596b.png)
您最近一年使用:0次
7 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d678147e3af7498cfaf34bd078012a1.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc853dcf891f7df5e962ee604f0e8de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d678147e3af7498cfaf34bd078012a1.png)
您最近一年使用:0次
解题方法
8 . 若
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe68a3d271b9790b4b073c9256fc3c5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee1c398c94bc3626c47c9ca8a248a29e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa3d3ca8ae9c034b384ba8267808553.png)
您最近一年使用:0次
9 . 已知全集
,集合
.
(1)求
;
(2)若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a64dc61989ca50b9ee19d835c4ed268.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea18f3642a6398d6526210ab8a1d400e.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fe0f5061584d9007d8b5c667486468b.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/281b7f1f77b4b82e84f906019acca76f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
解题方法
10 . 已知二次函数
满足
,且该函数的图象经过点
,在
轴上截得的线段长为4,设
.
(1)求
的解析式;
(2)求函数
在区间
上的最小值;
(3)设函数
,若对于任意
,总存在
,使得
成立,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34ea832b11f5a84b9bf3020271480631.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fec40ff4479edca2ed18b6cadb8db72f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00210f79b04a8f6bc1922433d00bc89a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb87c830a03204a5b783ad4c2ba49c4e.png)
(3)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76672541bb9a8b71dfe4804dfecbca56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb4361b7baf57ec27b60ac4aa637e16a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8749f112832287b0738dd83c5bf255d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae37e71e04a7db60427d126ddb7b1bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次