名校
1 . 在等比数列
中,
是函数
的两个极值点,若
,则t的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd67f7444756faf766876de3fc6b1084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe34fddc0248037344564149a03a638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f93c932af7de2f59447846c57fe52a0.png)
A.![]() | B.![]() | C.4 | D.5 |
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名校
解题方法
2 . 如图1,与三角形的一条边以及另外两条边的延长线都相切的圆被称为三角形的旁切圆,旁切圆的圆心被称为三角形的旁心,每个三角形有三个旁心.如图2,已知
,
是双曲线
的左、右焦点,
是双曲线右支上一点,
是
的一个旁心.直线
与
轴交于点
,若
,则该双曲线的渐近线方程为( )
![](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/a5ec7fa23be9cbe9a50607ea6bc8a4ff.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/33d776753746914c2410a3946c357f35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a75995127d9f7edd5e5a7c0d442c4a21.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-05-18更新
|
301次组卷
|
3卷引用:福建省安溪第八中学2024届高三下学期5月份质量检测数学试题
3 . 已知椭圆
的上、下顶点分别为M,N,点P为椭圆上任意一点(不同于M,N),若点Q满足
,则点Q到坐标原点距离的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69daca955a565fa537347dd0d93783f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee7e3ead1577781db7cb4f072c42a03f.png)
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2024-02-17更新
|
413次组卷
|
2卷引用:福建省莆田市莆田第一中学2024届高三上学期第一次调研数学试题
4 . 已知函数
有两个不同的零点
,
.
(1)求实数
的取值范围;
(2)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd78eb2c0004a61bb5f8811e514162ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
(1)求实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(2)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54cc18f9bf8ff3a5ffc779edaed73730.png)
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5 . 已知函数
及其导函数
的定义域均为
,若
是奇函数,
,且对任意
,
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/090a91e4f3c8930674f98a9fa527709b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3ed15aa3dcc4211fb520b5b942c989.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/334c386399ee9379c52f3ff0dd26afde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39bc1ac00b1c8ca99eb3b9991f4f2314.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da15b707bf690f2727de914b35e25367.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2024-02-10更新
|
1358次组卷
|
4卷引用:福建省福州第三中学2023-2024学年高三下学期第十六次检测(三模)数学试题
解题方法
6 . 已知直线
经过抛物线
的焦点,且与
交于A,B两点,以线段
为直径的
与
的准线相切于点
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e6c830bfa9a1b979a1a9665166424bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c72c070f4f4d2b44927391b59a1e755.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a18deb8273ee656d1261766b469ee2b.png)
A.直线![]() ![]() | B.点![]() ![]() |
C.![]() ![]() | D.直线![]() ![]() |
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解题方法
7 . 已知椭圆
,
,则
的离心率为______ .(写出一个符合题目要求的即可)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ebccfc1862bce7f44daef18bcc34e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/573394d925f221e828978ba5b528dd39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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名校
解题方法
8 . 已知
,我们称双曲线
与椭圆
互为“伴随曲线”,点
为双曲线
和椭圆
的下顶点.
(1)若
为椭圆
的上顶点,直线
与
交于
,
两点,证明:直线
,
的交点在双曲线
上;
(2)过椭圆
的一个焦点且与长轴垂直的弦长为
,双曲线
的一条渐近线方程为
,若
为双曲线
的上焦点,直线
经过
且与双曲线
上支交于
,
两点,记
的面积为
,
(
为坐标原点),
的面积为
.
(i)求双曲线
的方程;
(ii)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7cd83f319fc5f78f83d93751ef4edcbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5be71d1d7b9323ad3887bc4eed036279.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b56542c956949ecfadb0e0589f8cf1c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32e2dcfff2900a1e6f2f343a1e4f22a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.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/cb6ede9761b5b90f8dc137708e1ee90f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f09757d013574cf058d5bb944fdf034a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18483c9c195ecd922772527fa85c0fcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45cc81cfaccc00aa4b7139de5a35a102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/d4f02028a3847c4807c2d3cf0ea7efb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80863901d65e6149e741129307540a84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc60c4bdbf44f69d8d9028bd33b358ab.png)
(i)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(ii)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1667a8835809b2bd5e5d3724e2edcaaa.png)
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2024-02-08更新
|
1003次组卷
|
3卷引用:福建省漳州市2024届高三毕业班第二次质量检测数学试题
解题方法
9 . 已知
,那么
是
的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91413c558d7a35bab90e33241c0d9885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6db93a5420fcf3355c65c95d1bf3f702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2c1605415dc2ef3aa3f04036c635c1.png)
A.充分不必要条件 | B.必要不充分条件 |
C.充要条件 | D.既不充分也不必要条件 |
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2024-02-06更新
|
377次组卷
|
2卷引用:福建省南平市2024届高三下学期第三次质量检测数学试题
名校
解题方法
10 . 若抛物线
上一点
到焦点的距离是
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c61622eb7fa6fabe6bd361bd5aa6107.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/088e64b5f92b841f7511365c0f624c20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1010846eeec6c9da29640f5aa3f8738.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-01-26更新
|
776次组卷
|
5卷引用:福建省莆田市莆田第一中学2024届高三上学期第一次调研数学试题
福建省莆田市莆田第一中学2024届高三上学期第一次调研数学试题湖南省邵阳市2024届高三第一次联考数学试题(已下线)高考数学冲刺押题卷01(2024新题型)(已下线)2024年高考数学全真模拟卷05(新题型地区专用)(已下线)专题8.4 抛物线综合【八大题型】