名校
1 . 已知椭圆
的焦距为
,且过点
.
(1)求椭圆
的方程;
(2)若不经过点
的直线
与椭圆
交于
,
两点,且直线
与直线
的斜率之和为
,证明:直线
的斜率为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b836d2b043c465ccb0207ad6ca78b1c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b10e8abf8690e4b129466ddb918bcc94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c179fe7eff7abfdd092b63c9c1b82d0c.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若不经过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fc5bd66dd6d5e09ff0893a938aed56e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c95b6be4554f03bf496092f1acdfbb89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2017-09-19更新
|
1713次组卷
|
6卷引用:【南昌新东方】江西省南昌市南昌县莲塘二中2020-2021学年高二上学期期中数学(理)试题11
(已下线)【南昌新东方】江西省南昌市南昌县莲塘二中2020-2021学年高二上学期期中数学(理)试题11山西省实验中学2023-2024学年高二上学期期中数学试题广东省广州市海珠区2018届高三综合测试(一)数学理试题广东省惠阳高级中学2018届高三上学期12月月考数学(理)试题山东省栖霞市第一中学2018届高三4月模拟考试数学(理)试题广东省江门市2020届高三上学期调研测试数学(理)试题
名校
2 . 已知定义在
上的偶函数
满足:当
时,
.
(1)求函数
的解析式;
(2)设函数
,若对于任意的
,都有
成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ead3fdcb8fe8f5eb3dbe7d96cabc28b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790daaa89fc9d093f45023becf765697.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89362ed5bb0c2fe6ba239db66a2e4705.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa5757174c9f6774f9ba3dcfe309f0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74f384fb5cb4dacb5435bb98dc2b2213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2645e55f36b5b088a029f2f680a57005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2017-12-14更新
|
2708次组卷
|
4卷引用:山西省临汾第一中学2017-2018学年高一上学期第二次调研(期中)考试数学试题
名校
3 . 设向量
,函数
.
(1)求
在
上的值域;
(2)已知
,先将
的图象向右平移
个单位长度,再把得到的图象上所有点的横坐标缩短到原来的
,纵坐标不变,然后再把得到的图象向上平移
个单位长度,得到
的图象,已知
的部分图象如图所示,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d4f3e2a00f09b2e9626a3d3e532904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26a5f050d5562d68d98669b67448be77.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b876a4b9cf212ae92a0e6e9a285a527.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/161b1cc382777aefe5382c56b339a2f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6581916f5a65edfea257c804efee007e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ea6ccc7d6f085194c693314bc6669a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1938c093dd2fbcb752d0eb7a18d143b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6442d1bcf25cd9c1038006b980aa208d.png)
![](https://img.xkw.com/dksih/QBM/2017/12/7/1833078298886144/1834606989910016/STEM/02335418e4084f09addae59200ce974d.png?resizew=191)
您最近一年使用:0次
2017-12-09更新
|
1283次组卷
|
3卷引用:山西省晋中市榆社中学2017-2018学年高二期中考试数学(文)试卷
4 . 已知
是定义在
上的奇函数,当
时,
(
),且曲线
在
处的切线与直线
平行.
(1)求
的值及函数
的解析式;
(2)若函数
在区间
上有三个零点,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1572b2608f37ade411a9230acf81cdc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1e69392d21261afd8e5e5f096634669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b650820d7bed48ed67a2869ad8c65ff1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07f352e7a7118fd44de082370c7dfe23.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25079f12119793682bee7dcd103d12e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d11961e84a12f75597430e10a4e29005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-12-07更新
|
363次组卷
|
6卷引用:【全国市级联考】山西省运城市2017-2018学年高二下学期期中考试数学(理)试题
名校
解题方法
5 . 已知函数
,其中
为自然对数的底数.
(1)若函数
的导函数
在
上是增函数,求实数
的最大值;
(2)求证:
,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d2399c2a712a2890dcd0b195d3b9f1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/041a7c8fc017f596542c5e6ec7d1c40b.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54ae93db4630e72b8a9f240f7f129fa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c985d6a1e024804ccd86092e4e020cdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed2f490aac02631c2ed9e6b76354a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e219653c77073240a534c7f154bdd9fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
您最近一年使用:0次
名校
6 . 已知函数
(
)(
)
(1)试讨论
的单调性;
(2)①设
,求
的最小值;
②证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b9c914dc9b139a7cd5cb38a95e72a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11204e2fb6e560bf7a4ca26eaebfc526.png)
(1)试讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)①设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42be2fb2b3c9fe5f456e3949dad1d21c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
②证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a382fff2f2e4b960d0b1820a46b004.png)
您最近一年使用:0次
名校
7 . 在锐角三角形
中,角
所对的边分别为
,已知
.
(1)求角
的大小;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e6f7204648f19070aad6e8a49873b82.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c2f3ce74cedd663a9c7c49d5c554cf7.png)
您最近一年使用:0次
2017-12-06更新
|
11059次组卷
|
11卷引用:山西省芮城中学2018届高三上学期期中考试数学(理)试卷
山西省芮城中学2018届高三上学期期中考试数学(理)试卷吉林省辽源市东辽县第一高级中学校2019-2020学年高一下学期期中考试数学试题四川省成都市第十七中学2019-2020学年高一下学期期中数学试题【全国市级联考】四川省雅安市2017-2018学年高一下学期期末考试数学试题【省级联考】河南省豫西名校2018-2019学年高二上学期第一次联考数学试题2019届江西省名校(临川一中、南昌二中)高三下学期联合数学(理)试题四川省棠湖中学2019-2020学年高一下学期第二次月考数学试题广东省东莞市光明中学2019-2020学年高三下学期第一次月考数学(理)试题江西省上饶市横峰中学2020-2021学年高二上学期第一次月考数学(文)试题四川省内江市威远中学校2021-2022学年高一下学期第二次阶段性测试数学(文)试题四川省内江市威远中学校2021-2022学年高一下学期第二次阶段性测试数学(理)试题
名校
8 . 已知圆
与圆
,点
在圆
上,点
在圆
上.
(1)求
的最小值;
(2)直线
上是否存在点
,满足经过点
由无数对相互垂直的直线
和
,它们分别与圆
和圆
相交,并且直线
被圆
所截得的弦长等于直线
被圆
所截得的弦长?若存在,求出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73e25b317906ca42ab1c73779cb462ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940e607b76731c83d1d67607ae5270c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2017-11-28更新
|
634次组卷
|
3卷引用:山西省太原市2017-2018学年高二上学期第一次测评(期中)数学试题
名校
9 . 已知圆
与圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6980b64b35e8151079646935bb831a2.png)
(1)若直线
与圆
相交于
两个不同点,求
的最小值;
(2)直线
上是否存在点
,满足经过点
有无数对互相垂直的直线
和
,它们分别与圆
和圆
相交,并且直线
被圆
所截得的弦长等于直线
被圆
所截得的弦长?若存在,求出点
的坐标;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b872134c19ea740c014d6771d235d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6980b64b35e8151079646935bb831a2.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/78504c80081f3c0e328d1c9b390611bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fbaeaa97ddaa00cbcfad129cb2d14a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2017-11-28更新
|
1021次组卷
|
3卷引用:山西省太原市2017-2018学年高二上学期第一次测评(期中)数学试题
山西省太原市2017-2018学年高二上学期第一次测评(期中)数学试题山西省太原市第十二中学2017-2018学年高二第一学期期中考试数学试题(已下线)2017-2018学年第一学期期末复习备考之精准复习模拟题高一人教版(必修一+必修二)数学试题(C卷)
名校
10 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3717ef8837dc2941ed6a187bb1ff1148.png)
(1)判断函数
的奇偶性,并说明理由.
(2)判断函数
在
单调性,并证明你的判断.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3717ef8837dc2941ed6a187bb1ff1148.png)
(1)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)判断函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ab5e0524def52baf53480b8726784ed.png)
您最近一年使用:0次
2017-11-28更新
|
521次组卷
|
3卷引用:山西省太原市2017-2018学年高一上学期第一次测评(期中)数学试题