名校
解题方法
1 . 已知在平面直角坐标系
中,
:
,
:
,平面内有一动点
,过
作
交
于
,
交
于
,平行四边形
面积恒为1.
(1)求点
的轨迹方程并说明它是什么图形;
(2)记
的轨迹为曲线
,
,当
在
轴右侧且不在
轴上时,在
轴右侧的
上一点
满足
轴平分
,且
不与
轴垂直或
是
的一条切线,求
与
,
围成的三角形的面积最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4407788e4dc88210bca71a2551d4f2f9.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/b22c9e62d7dfe7116965d5f809f54fd3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8565d467e55e50c9c999868ce289f4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85e089ac241dbeeda7d9172a394d6acb.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/488675b0c71bc75ccea45696c496080b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95cfffad86cdce753e3025437b6ef14.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/4505508b3e36db64a207dcdaf8eb22dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
您最近一年使用:0次
2024-03-21更新
|
1087次组卷
|
3卷引用:第四套 最新模拟复盘卷
名校
解题方法
2 . 已知点
为双曲线
上的动点.
(1)判断直线
与双曲线的公共点个数,并说明理由;
(2)(i)如果把(1)的结论推广到一般双曲线,你能得到什么相应的结论?请写出你的结论,不必证明;
(ii)将双曲线
的两条渐近线称为“退化的双曲线”,其方程为
,请利用该方程证明如下命题:若
为双曲线
上一点,直线
:
与
的两条渐近线分别交于点
,则
为线段
的中点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22962a2ad892cb6b14ab039a06e8cdc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ea74737939c0f94c91229a7098f36ec.png)
(1)判断直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e314fafd906934931d5cdfb4ecad2fca.png)
(2)(i)如果把(1)的结论推广到一般双曲线,你能得到什么相应的结论?请写出你的结论,不必证明;
(ii)将双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23e56464f202655f76b90e0f89e91be0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09cad114964b344e7c9b3903a21354e4.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/006d86d8f686ca9afaa3ef23a519728a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9f5f4ad0caac5a0fecb64f3908d2290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2024-03-04更新
|
1253次组卷
|
5卷引用:广东省汕头市2024届高三第一次模拟考试数学试题
广东省汕头市2024届高三第一次模拟考试数学试题江苏省盐城市五校联考2023-2024学年高二下学期第一次学情调研检测(3月)数学试题山东省烟台市牟平第一中学2023-2024学年高二下学期3月限时练(月考)数学试题(已下线)第26题 圆锥曲线压轴大题(1)(高三二轮每日一题)(已下线)大招4 圆锥曲线创新问题的速破策略
名校
解题方法
3 . 已知双曲线
,直线
为其中一条渐近线,
为双曲线的右顶点,过
作
轴的垂线,交
于点
,再过
作
轴的垂线交双曲线右支于点
,重复刚才的操作得到
,记
.
(1)求
的通项公式;
(2)过
作双曲线的切线分别交双曲线两条渐近线于
,记
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be56ac444cd8deb01180432555c86b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b293b8d25590ef6f6ae0e9e7486a32a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2214909d55698044e2d16019d902a79.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1fd18a909cecbaee7115d6b15631d83.png)
(2)过
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e819b87f90651d89fcd258c276294e43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2b5502151b6c1e7e3ffe3b8c8988fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7987d2fc837254192070e6a979aa00a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32abe6c3ae6253b064f5e68c2a52bfb.png)
您最近一年使用:0次
2024-02-06更新
|
693次组卷
|
2卷引用:浙江省舟山市2023-2024学年高二上学期期末检测数学试题