1 . 已知函数
,
,其中
,
.
(1)讨论
的单调性;
(2)若
有两个极值点
、
,且
,证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b91cb106dd7a52b93f0363a8bab66c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abc87c73ac48588c3440dac2fd68d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4633de9335d15d7685bdecb007a3678c.png)
(1)讨论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c147c43c631dc730c4794ba0fcdf1341.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46be55c8f2760d6db125f46691a3de48.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26d8dafc71b106f39f4e15442220897b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d1d1161f53c9fcb392fc017513e123f.png)
您最近一年使用:0次
解题方法
2 . 已知动圆
经过定点
,且与直线
相切,设动圆圆心
的轨迹为曲线
.
(1)求曲线
的方程;
(2)设过点
的直线
,
分别与曲线
交于
,
两点,直线
,
的斜率存在,且倾斜角互补,求证:直线
的倾斜角为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23ee8669bc280bff4b20644cb82faf23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dbcf0320d94734aedd3d4e2e31b9827.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/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/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
您最近一年使用:0次
2023高三·全国·专题练习
3 . 若
及
其中
称为
对模
的逆或数论倒数.整系数多项式![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a38ef6649d66b944114136fa7998b4.png)
求证:同余方程
与同余方程![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9eb09603ea1402cc10072760f2332a.png)
等价.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df290207726c230f7dfd8112ba77eceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88134bf9ff08febea1840fc819f0dbcd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c3a01cff2e96551c8de04fdd3c262fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96abfe2da27a63e6affb19a0c80236d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81a38ef6649d66b944114136fa7998b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2525e19b39e8494786cb3ab46caaf9af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d16cee18621c813f28a88668be785f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9eb09603ea1402cc10072760f2332a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcfe2cf150396674cb1930e6062a3e7c.png)
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名校
解题方法
4 . 如图,
为椭圆的两个顶点,
为椭圆的两个焦点.
(2)过线段
上异于O,A的任一点K作
的垂线,交椭圆于P,
两点,直线
与
交于点M.求证:点M在双曲线
上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15005b189659b4b9357bfc26957c7943.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
(2)过线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aba947934b05caae8b0c1fb1a522a0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6d49e09b17b19d7c787e95bcf1e9731.png)
您最近一年使用:0次
2023-03-21更新
|
118次组卷
|
2卷引用:新疆乌鲁木齐市第十二中学2024届高三下学期5月月考数学试题
5 . 已知椭圆
的离心率为
,且经过点
,
为椭圆C的左右焦点,
为平面内一个动点,其中
,记直线
与椭圆C在x轴上方的交点为
,直线
与椭圆C在x轴上方的交点为
.
(1)求椭圆C的标准方程;
(2)①若
,证明:
;
②若
,探究
之间关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/accf35598ee054f1bf8b6584641d6d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2752e086b85f9fbb95010bf771072af9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b170470d02c85c1be9a3faff5eca0de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c30a7506331e47342fb1e7d2e12d041.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a16c755ab3fea6ca99b13193a5d7e485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
(1)求椭圆C的标准方程;
(2)①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/838d4d7fa68e89d2f57952c5eaa019d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b54c90e36facebeb720f3531a07a467.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/363dcefb342c51d2af3cf3b7d0599944.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62fbe72587d27b3eeb48abe809320de7.png)
您最近一年使用:0次
2023-02-09更新
|
670次组卷
|
4卷引用:新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三下学期2月月考数学试题
6 . 已知双曲线C
的右焦点F,半焦距c=2,点F到直线
的距离为
,过点F作双曲线C的两条互相垂直的弦AB,CD,设AB,CD的中点分别为M,N.
(1)求双曲线C的标准方程;
(2)证明:直线MN必过定点,并求出此定点的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ea32de991dad596030276f33881636b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fa5d6092f598c7da4796f965e40525a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(1)求双曲线C的标准方程;
(2)证明:直线MN必过定点,并求出此定点的坐标.
您最近一年使用:0次
2022-04-08更新
|
665次组卷
|
8卷引用:新疆维吾尔自治区乌鲁木齐市第十一中学2024届高三下学期开学考试数学试题
新疆维吾尔自治区乌鲁木齐市第十一中学2024届高三下学期开学考试数学试题(已下线)重难点突破08 圆锥曲线的垂直弦问题 (八大题型)新疆维吾尔自治区乌鲁木齐市第十二中学2024届高三上学期11月月考数学试题河南省鹤壁市高级中学2020届高三下学期线上第四次模拟数学(文)试题(已下线)第3章《圆锥曲线与方程》 培优测试卷(二)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) (已下线)专题15 《圆锥曲线与方程》中的定点问题(1)-2021-2022学年高二数学同步培优训练系列(苏教版2019选择性必修第一册) (已下线)专题3.10 直线与双曲线的位置关系-重难点题型检测-2021-2022学年高二数学举一反三系列(人教A版2019选择性必修第一册)山西省大同市2019-2020学年高三下学期3月模拟数学(理)试题
2022高三·全国·专题练习
名校
解题方法
7 . 已知函数
.
(1)若
,求函数
的单调减区间;
(2)若
,正实数
,
满足
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22eb932ed5edb49ae94eb1b4c6d7640.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3471484b64504fc545398f52be830010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f22a4a0dd7307a1323d25331e60782d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c814128ea2139e33db94ea590e7c2223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aec19b68e3add9d5bfcc6269a1855b87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8edc9a8dca8cf050887b4915bfc962f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6330de640d51bb3970813289a4de3a5d.png)
您最近一年使用:0次
8 . 设F1、F2分别是椭圆
的左、右焦点,E是椭圆C的上顶点,
是等边三角形,短轴长为
.
(1)求椭圆C的方程;
(2)已知A,B分别为椭圆左右顶点,位于
轴两侧的P,Q分别是椭圆C和圆
上的两个动点,且直线PQ与x轴平行,直线AP,BP分别与
轴交于M,N,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a44bdca9acbb1daba93f5373298a2567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
(1)求椭圆C的方程;
(2)已知A,B分别为椭圆左右顶点,位于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef74c4299221a967507c6a179337581a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99cbc18f050fb2696a4c8b9e26cabb20.png)
您最近一年使用:0次
2021-03-27更新
|
264次组卷
|
3卷引用:新疆维吾尔自治区乌鲁木齐市高级中学2024届高三上学期1月月考数学试题
名校
解题方法
9 . 设函数
,其中
.
(1)若函数
在
处有极小值
,求
的值;
(2)若
,设
,求证:当
时,
;
(3)若
,对于给定
,其中
,若
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17b7d03ea4e90568c256de67cb4dc327.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/127e88c3aa14648770487a295909cf95.png)
(1)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5a198944c430230661eea767c6bd7de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62ff2912fd8d93b6e692936d95b727c5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13c34b9e054b33f5d43986e3876a13ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e781a085674b519077d9caf085424f3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1591d4244dcf5539a4ae98f554e91e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b5fdaf40c6270adb8f5b08a20a0f798.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67abcd075710814b8858bf7b210b4ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f542e6e69af89fbe4ec83ecf80566d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9e661b1fae296a7ce1ebb7d5722da5d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bdea14568ebb6f40c464a0b55184fbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2017-08-07更新
|
131次组卷
|
3卷引用:新疆乌鲁木齐市第101中学2024届高三下学期5月月考数学试题