名校
解题方法
1 . 已知
分别为双曲线
的左、右顶点,
为双曲线
上异于
的任意一点,直线
、
斜率乘积为
,焦距为
.
(1)求双曲线
的方程;
(2)设过
的直线与双曲线交于
,
两点(
不与
重合),记直线
,
的斜率为
,
,证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cabd197d769d62408b492ab538eedd5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b2a698891d42c70b597f0da4f215f09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbff61fe9d4e93d7cc338489d1c99c40.png)
(1)求双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60f2a72c6d7780757ab065fb29f47526.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67351fe10fcfc3f9072eec4c60bfaaa5.png)
您最近一年使用:0次
2024-01-13更新
|
1873次组卷
|
7卷引用:吉林省白山市2024届高三一模数学试题
吉林省白山市2024届高三一模数学试题河南省郑州市第十八中学2023-2024学年高二上学期期末模拟数学试题(六)江西省上饶市北大邦实验学校2023-2024学年高二上学期期末质量检测数学试题(已下线)3.2.2 双曲线的简单几何性质【第三练】“上好三节课,做好三套题“高中数学素养晋级之路广东省广州市华南师大附中2024届高三上学期第二次调研数学试题(已下线)专题07 双曲线与抛物线(分层练)(五大题型+12道精选真题)(已下线)第四套 艺体生新高考全真模拟 (一模重组卷)
2 . 椭圆曲线加密算法运用于区块链.
椭圆曲线
.
关于x轴的对称点记为
.C在点
处的切线是指曲线
在点P处的切线.定义“
”运算满足:①若
,且直线PQ与C有第三个交点R,则
;②若
,且PQ为C的切线,切点为P,则
;③若
,规定
,且
.
(1)当
时,讨论函数
零点的个数;
(2)已知“
”运算满足交换律、结合律,若
,且PQ为C的切线,切点为P,证明:
;
(3)已知
,且直线PQ与C有第三个交点,求
的坐标.
参考公式:
椭圆曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9656273cea815e9c38f5b423a786df95.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee3b61b75052082d32b4f395ec629d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ff3a05fcf57fccf4289fadb439a155f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b02ec372ff211f6b93ad213f67eed57b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ace8e8a2a533a8c62386aaad29fcba06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0ee254499b8d5f8a09dead12204492.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5473b8307312b1275ae3e206114349a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0ee254499b8d5f8a09dead12204492.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ad8402e9295f4a4cde8b1a508152798.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee3b61b75052082d32b4f395ec629d85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70780e53aab31d009faeaf1c8a3564a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7efe1b189db965f857c27c88414715e.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f93a7d10e5e86606daa686fb5cb950d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fc232553cfd6222d857896bfd5a7750.png)
(2)已知“
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c3c2f679d53b91088ba6eb14c16cbc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e0ee254499b8d5f8a09dead12204492.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9849a648fcdeb7aefe903aaf852977b0.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d3522a66a525ab0d7ff4d3fa6b2cfa9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/683260f27f7fb8f91c1782153621806f.png)
参考公式:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdfaadcff67f1ac61b3e3b2b3cacbf32.png)
您最近一年使用:0次
2023-02-23更新
|
5353次组卷
|
15卷引用:2023届安徽省、云南省、吉林省、黑龙江省高三下学期2月适应性测试数学试题
2023届安徽省、云南省、吉林省、黑龙江省高三下学期2月适应性测试数学试题2023年安徽省、云南省、吉林省、黑龙江省联考数学试卷评价(已下线)2023年四省联考变试题17-22云南省2023届高三第一次高中毕业生复习统一检测数学试题山西省大同市2023届高三阶段性模拟(2月联考)数学试题(A卷)北京市第五十七中学2022-2023学年高二下学期3月月考数学试题(已下线)专题19新文化与创新试题(已下线)专题05导数及其应用(解答题)山西省大同市第一中学校等2校2023届高三一模理科数学试题(已下线)江西省九师联盟2024届高三上学期10月联考数学试题(已下线)专题15 圆锥曲线综合(已下线)函数的图象与性质(已下线)新题型01 新高考新结构二十一大考点汇总-3(已下线)专题22 新高考新题型第19题新定义压轴解答题归纳(9大题型)(练习)(已下线)专题8 考前押题大猜想36-40
名校
解题方法
3 . 已知椭圆
的一个顶点为
,离心率为
.过椭圆右焦点且斜率为
的直线
与椭圆相交于两点
,
,与
轴交于点
,线段
的中点为
,直线
过点
且垂直于
(其中
为原点).
(1)求椭圆的标准方程并求弦
的长;
(2)证明直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df7968194cf13e872ab941231cfc9eb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2799abb64fd7bfce9dfa7228aa460564.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.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/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)求椭圆的标准方程并求弦
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(2)证明直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
2023-01-15更新
|
296次组卷
|
3卷引用:吉林省延边朝鲜族自治州敦化市实验中学校2022-2023学年高二上学期期末数学试题
名校
解题方法
4 . 已知抛物线C:
的焦点为F,以抛物线上一动点M为圆心的圆经过点F,若圆M的面积最小值为
.
(1)求p的值;
(2)当点M的横坐标为1且位于第一象限时,过M作抛物线的两条弦MA,MB,且满足
证明:直线AB的斜率为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3764ba3aa0a241787f4661026bb14053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(1)求p的值;
(2)当点M的横坐标为1且位于第一象限时,过M作抛物线的两条弦MA,MB,且满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a7af68eacf6ccc741aadd50f69d5beb.png)
您最近一年使用:0次
2022-07-14更新
|
893次组卷
|
4卷引用:吉林省辽源市第五中学校2022-2023学年高二上学期期中数学试题
吉林省辽源市第五中学校2022-2023学年高二上学期期中数学试题江西省景德镇一中2021-2022学年高二(普通班)下学期期末考数学(理)试题(已下线)第三章 圆锥曲线的方程(单元测试)-2023-2024学年高二数学同步精品课堂(人教A版2019选择性必修第一册)浙江省金华市东阳市外国语学校2023-2024学年高二下学期3月检测数学试题
名校
解题方法
5 . 已知椭圆
的离心率为
,以
的长轴为直径的圆的方程为
.
(1)求
的方程;
(2)直线
与
轴平行,且与
交于
,
两点,
,
分别为
的左、右顶点.直线
与
交于点
,证明:点
与点
的横坐标的乘积为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
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2021-01-17更新
|
375次组卷
|
5卷引用:吉林省白城市第一中学2021届高三下学期质量检测数学(理)试题
6 . 在
中,顶点
,
,
、
分别是
的重心和内心,且
.
求顶点
的轨迹
的方程;
过点
的直线交曲线
于
、
两点,
是直线
上一点,设直线
、
、
的斜率分别为
,
,
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4830a5e6437787c7cfc05f8b5c3ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e878bdc375dab19fade97e8ffa85bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cef1c98d3599f08794f0d90966fe87f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4c783bab7586f60dc14d4f10b6d5b12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61a0263314b244a157d2f81a7fa2359d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4830a5e6437787c7cfc05f8b5c3ad7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdcfe463ccec690aa818dd4ebd4b9fd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baca09215d12421a58bd6a48ae16c35.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aa5694373bd78b1ca2180f831bf1c8e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9c827e46d1a395fafbf15cdd6c6c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0c12379ff58d8ddf66547d7a873baf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca66a268d6f46e0e9d5d9151b785be60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f9c827e46d1a395fafbf15cdd6c6c42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab653ffa6acf8b28096ff54719579d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ecb1589c3cc179e2f62507020771e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d84326b6492a5ca36a291f7c4c184d38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4446eae75ffae2cde44686577653cec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a7bad1eeb9b7e41965acf3b247f6c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00f1c8a441108e2dd80f01061e9b29f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbf434334b09cc0fdd4e86e84e6ceb00.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7da98c5cd1101b4b10a0e250320809b6.png)
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