解题方法
1 . 设圆
的圆心为
,直线
过点
且不与
轴、
轴垂直,且与圆
于
,
两点,过
作
的平行线交直线
于点
.
(1)证明
为定值,并写出点
的轨迹方程;
(2)设点
的轨迹为曲线
,直线
交
于
两点,过
且与
垂直的直线与圆
交于
两点,求
与
的面积之和的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d517357aee8c7a305a91551d25086ace.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16fd15503ee692f8286b0312f7c6f0cd.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/f5076289823db419f94e9c0c8f4aafd9.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90bcb454e3c4d33e599efb8081986d9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d42b2fb217189cc22691b6fd261e0d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(1)证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfec29c5a1e44791bba701167d42437e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e99675fa03da205c4499967c9d908412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d36626c9e45a25e8dc5bf4be4dbbfb3.png)
您最近一年使用:0次
解题方法
2 . 彗星是太阳系大家庭里特殊的一族成员,它们以其明亮的尾巴和美丽的外观而闻名,它的运行轨道和行星轨道很不相同,一般为极扁的椭圆形、双曲线或抛物线.它们可以接近太阳,但在靠近太阳时,由于木星、土星等行星引力的微绕造成了轨道参数的偏差,使得它轨道的离心率由小于1变为大于或等于1,这使得少数彗星会出现“逃逸"现象,终生只能接近太阳一次,永不复返.通过演示,现有一颗彗星已经“逃逸”为以太阳为其中一个焦点离心率为
的运行轨道,且慧星距离太阳的最近距离为
.
(1)求彗星“逃逸”轨道的标准方程;
(2)设双曲线的两个顶点分别为
,
,过
,
作双曲线的切线
,
,若点P为双曲线上的动点,过P作双曲线的切线,交实轴于点Q,记直线
与
交于点M,直线
交
于点N.求证:M,N,Q三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321964cbe59db462966bc17f5cf4be8a.png)
(1)求彗星“逃逸”轨道的标准方程;
(2)设双曲线的两个顶点分别为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.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/800c5e266b4ad8462a46970f0a232d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
您最近一年使用:0次
解题方法
3 . 已知双曲线
的一个焦点坐标是
,一条渐近线方程是
.
(1)求双曲线的方程;
(2)若斜率为
的直线
与该双曲线相交于不同的两点
,
,且线段
的垂直平分线与两坐标轴围成的三角形面积为
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5ec7fa23be9cbe9a50607ea6bc8a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/623afc24f2227004b0e1b3922dfb954b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2e753cbb28da63ce096f8d9b31b0a34.png)
(1)求双曲线的方程;
(2)若斜率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bcb166b53a49e393871bcb14a528792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eac3d9e689f2f9c38e8fd2385e68479a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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解题方法
4 . 设双曲线
的左焦点
,直线
与双曲线
在第二象限交于点
,若
(
为坐标原点),则双曲线
的渐近线方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d864b6ecea3656003f9b82757926ef88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0944c99f34ee41bea845303ed15a7d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3e99e9ab207d4fe463c894a887c88cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f01172fa3c06c87a328f1da5448ba11d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2018-04-27更新
|
714次组卷
|
3卷引用:【全国市级联考】湖南省益阳市2018届高三4月调研考试数学(文)试题
解题方法
5 . 已知双曲线C:
(
)的左、右焦点为
,
,
为双曲线C上一点,且
,若线段
与双曲线C交于另一点A,则
的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d100c22435a23e017cfe6f535379d3c.png)
![](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/1a5f4493abd2b69f83eae0362c509f1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271fb7c2a4bb1d9655e992696ba05eb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bce5a69e50ba0fc9e19ba0b15a10a42.png)
您最近一年使用:0次
名校
6 . 如图,已知曲线
,曲线
,
是平面上一点,若存在过点
的直线与
都有公共点,则称
为“
型点”.
![](https://img.xkw.com/dksih/QBM/2017/10/10/1792365589995520/1793820237242368/STEM/e2692fbc1f4647a0a8b17efc77414ca8.png?resizew=212)
(1)证明:
的左焦点是“
型点”;
(2)设直线
与
有公共点,求证:
,进而证明原点不是“
型点”;
(3)求证:
内的点都不是“
型点”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f63dee0fb484e63eb3a8baebcdf46f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88956e6ba9a7e1d23fabc6707fc3da6.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/880248fa1259b2600a87f09a61287d44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fabe1a4f2ae90e0ff2bbfe913404cea4.png)
![](https://img.xkw.com/dksih/QBM/2017/10/10/1792365589995520/1793820237242368/STEM/e2692fbc1f4647a0a8b17efc77414ca8.png?resizew=212)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd1f54ccf474ea17a7fe62a1b6f0e87.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8db94a845b19c6ee907a2e566cc4da9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd1f54ccf474ea17a7fe62a1b6f0e87.png)
(3)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2fac7fedc3d5ebe2e396075e7d2caa51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9cd1f54ccf474ea17a7fe62a1b6f0e87.png)
您最近一年使用:0次
名校
7 . 已知双曲线
的左右两个顶点是
,
,曲线
上的动点
关于
轴对称,直线
与
交于点
,
(1)求动点
的轨迹
的方程;
(2)点
,轨迹
上的点
满足
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0017262e45089093f70001cae2c60257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d0ff310aabd2282b539537ebed3f788.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec18c028746b73be7503ff6ff458a8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d788effd0a2da0d4c629945e33a1407a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2473d1cb6c913de7819cd224751b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2017-04-17更新
|
1366次组卷
|
2卷引用:2017届河南省豫南九校(中原名校)高三下学期质量考评八数学(文)试卷
解题方法
8 . 已知A、B为椭圆
=1(a>b>0)和双曲线
=1的公共顶点,P,Q分别为双曲线和椭圆上不同于A,B的动点,且满足
,设直线AP、BP、AQ、BQ的斜率分别为k1、k2、k3、k4.
(1)求证:点P、Q、O三点共线;
(2)当a=2,b=
时,若点P、Q都在第一象限,且直线PQ的斜率为
,求△BPQ的面积S;
(3)若F1、F2分别为椭圆和双曲线的右焦点,且QF1
PF2,求k12+k22+k32+k42的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/199f454cb22c34dfa82798ebd6c9054c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f2ea8fcb101c2ecba2b2c862eb66b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e62df1447b2bb71c67def824adfc9fb.png)
(1)求证:点P、Q、O三点共线;
(2)当a=2,b=
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
(3)若F1、F2分别为椭圆和双曲线的右焦点,且QF1
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895d6f710d5f67e1d4c7408d50d77281.png)
您最近一年使用:0次
9 . 已知抛物线
:
与双曲线
:
相交于点
.
(1)若
,求抛物线
的准线方程;
(2)记直线l:
与
、
分别切于点M、N,当p变化时,求证:
的面积为定值,并求出该定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7089148c36cb3c39af71de653756396a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac3a4f9f9ae0a23a09a780f3073d132a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b79ca81f286d8aeed52f91ee13ce0d8.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8faa47316e8d6c9631775a9d170bd26e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)记直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15fb18163df0690365a0d2e7ee88f5a.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/ab2ca3d56b93b5f218eaebb87045cd2b.png)
您最近一年使用:0次
名校
10 . 已知
,
是双曲线
的左,右焦点,点
在双曲线的右支上,如果
,则双曲线经过一、三象限的渐近线的斜率的取值范围是__________ .
![](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/1a9d9fa81c2d6d3e5b6b21556ef5c68f.png)
您最近一年使用:0次
2018-03-21更新
|
682次组卷
|
4卷引用:山西省晋城市2018届高三上学期第一次模拟考试数学(文)试题