名校
解题方法
1 . 已知双曲线
的离心率为
,且焦点到渐近线的距离为1,
为双曲线上任意一点(
),过点
的直线与圆
相切于
两点
(1)求双曲线的标准方程
(2)求点
所在的直线方程
(3)双曲线是否存在点
,
,使得
的面积最大,若存在求出点
的坐标,及
的最大面积,若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/528a243eb93f63c1e126409be1fb3fb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21872d8f6a518e0a2993ccf7a795ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a1bc7e5b5d807bdff0cb24584f0e0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/560adea7b0d4fbe4131fc41f3fcbd871.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)求双曲线的标准方程
(2)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(3)双曲线是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b21872d8f6a518e0a2993ccf7a795ed2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83a1bc7e5b5d807bdff0cb24584f0e0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
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名校
解题方法
2 . 如图,已知椭圆
与等轴双曲线
共顶点
,过椭圆
上一点P(2,-1)作两直线与椭圆
相交于相异的两点A,B,直线PA、PB的倾斜角互补,直线AB与x,y轴正半轴相交,分别记交点为M,N.
(2)若直线AB与双曲线
的左,右两支分别交于Q,R,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21e6314e24c0225d455415c52124052b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e04c8d7fbd6165d240cad25eaef7b8ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若直线AB与双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fbac86947f24d80503333eed69e0427.png)
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|
1330次组卷
|
2卷引用:湖南省长沙市雅礼中学2022-2023学年高三上学期月考(五)数学试题
解题方法
3 . 已知
,
为双曲线E:
(
,
)的左右焦点,点
在双曲线E上,O为坐标原点.
(1)求双曲线E的标准方程;
(2)若不与坐标轴平行的动直线l与双曲线E相切,分别过点
,
作直线l的垂线,垂足为P,Q,求
面积最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e4e568d9cd57c442f011a787ab8aaf2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914c2124260496e9307d6448c0c943f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f8ba2b1920103e0879cff3de727a90c.png)
(1)求双曲线E的标准方程;
(2)若不与坐标轴平行的动直线l与双曲线E相切,分别过点
![](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/ea1f0417d8269f01d8e0bc1a8756e2ac.png)
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2022·全国·模拟预测
4 . 已知双曲线E:
的左、右顶点分别为A,B,且
,过原点O的直线l与双曲线E相交于不同的两点C,D,且
.
(1)求双曲线E的标准方程;
(2)设点P是双曲线E的右支上一点,过点P的直线m与双曲线E的两条渐近线分别交于点
,
,其中
,若
,且
,求
面积的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3040b6c904477030ecf8ba20b2b18759.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0907a673d52825cd7df84b400972d4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef046167223338a8dd88109dbb9f9503.png)
(1)求双曲线E的标准方程;
(2)设点P是双曲线E的右支上一点,过点P的直线m与双曲线E的两条渐近线分别交于点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8198c3b302b3820e86763428eb1e91cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3463ced6030af957f13f9ba05b977c1c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53924bdb1bfd4925ea06a9a860e7559f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0b86edc0c4934a2d38d94b1e862b563.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f845e4fff4412547dda0f61f94880620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
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名校
解题方法
5 . 已知函数
,正数数列
满足
且
,若不等式
恒成立,则实数
的最小值为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce7630110d5583d6f49a4c7fb2e597db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef8395114f10097a610fd53175e5b16f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc388ca954a8b9fd8075ce3fa943f9fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1277cf9f9a1a8fdc7c20ca3c23853bde.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2022-12-02更新
|
811次组卷
|
3卷引用:上海市大同中学2021-2022学年高二下学期期末数学试题
名校
解题方法
6 . 平面直角坐标系
中,已知点
.点
满足
,记点
的轨迹
.
(1)求
的方程;
(2)设点
与点
关于原点
对称,
的角平分线为直线l,过点
作l的垂线,垂足为
,交
于另一点
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f86dbb748954a69fa8e04f8d0951a98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4531889334aec6ea3f96f05b531cfc0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25ef056105bb8c33072bb13858639162.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9eb09db0f75a37533222fcf8d5e18a6.png)
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2022-10-03更新
|
1766次组卷
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4卷引用:湖北省二十一所重点中学2023届高三上学期第三次联考数学试题
湖北省二十一所重点中学2023届高三上学期第三次联考数学试题广东省广州大学附属中学2023届高三上学期第一次月考数学试题湖北省武汉市第三中学2022-2023学年高二上学期期中模拟数学试题(已下线)模块四 期中重组篇 专题3 期中重组卷(湖北)
7 . 已知点
,点
是双曲线
:
左支上的动点,
为其右焦点,
是圆
:
上的动点,直线
交双曲线右支于
(
为坐标原点),则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff2595e01e8751886a27862cce04e2d1.png)
![](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/7c58fa4a337f0b81b991fb32e8e6e3c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5757551de5911dd9d207abeffbbf392d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.过点![]() ![]() ![]() |
B.![]() ![]() |
C.若![]() ![]() ![]() ![]() ![]() |
D.过![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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2022-03-23更新
|
1476次组卷
|
2卷引用:重庆市西南大学附属中学校2021-2022学年高二下学期第三次月考数学试题
名校
解题方法
8 . 双曲线
,圆
在第一象限交点为
,曲线
.
![](https://img.xkw.com/dksih/QBM/2021/1/4/2629059295584256/2629722248069120/STEM/5ba88b69-714b-4cea-b3cb-3b6f1e4c8d0c.png?resizew=244)
(1)若
,求b;
(2)若
,
与x轴交点记为
,P是曲线
上一点且在第一象限,并满足
,求∠
;
(3)过点
且斜率为
的直线
交曲线
于M、N两点,用b的代数式表示
,并求出
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/771f036702e7812030ead9a5ec6cd061.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1777bb96c05fa932ef1ca5c716bc391e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4564dc28307341aea4003be38c19dfdc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19c194bc67a83a9b148e9c8e084a1740.png)
![](https://img.xkw.com/dksih/QBM/2021/1/4/2629059295584256/2629722248069120/STEM/5ba88b69-714b-4cea-b3cb-3b6f1e4c8d0c.png?resizew=244)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/781e30964f70270f2cdf5d4c15ec3f1e.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526d1c1f892971b9398ba764356dec3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39a52e26180930ad5b56a8a45f28a0f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e45583fdd9864cc361ac09278f4f7241.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c05cb42d0a9194de4a06d4296ca5ae6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf8a7029669bf1774a24f3ef6273ca88.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42144b85976d32be4536955fabc70b40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9e39f4de2b3e4010a4cfacd1d6342cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b454cdb97c408300b50d945f002c2cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c58625fd2a35ef8883b60af16bf8926.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c58625fd2a35ef8883b60af16bf8926.png)
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2021-01-05更新
|
1355次组卷
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5卷引用:考向11 正弦、余弦定理和解斜三角形-备战2022年高考数学一轮复习考点微专题(上海专用)
(已下线)考向11 正弦、余弦定理和解斜三角形-备战2022年高考数学一轮复习考点微专题(上海专用)(已下线)考向13 平面向量的数量积及应用-备战2022年高考数学一轮复习考点微专题(上海专用)2020年上海市高考数学练习(已下线)热点07 解析几何-2021年高考数学【热点·重点·难点】专练(上海专用)上海市建平中学2020-2021学年高二上学期12月月考数学试题
9 . 已知等轴双曲线
的两个焦点
、
在直线
上,线段
的中点是坐标原点,且双曲线经过点
.
(1)若已知下列所给的三个方程中有一个是等轴双曲线
的方程:①
;②
;③
.请推理判断哪个是等轴双曲线
的方程,并求出此双曲线的实轴长;
(2)现要在等轴双曲线
上选一处
建一座码头,向
、
两地转运货物.经测算,从
到
、从
到
修建公路的费用都是每单位长度
万元,则码头应建在何处,才能使修建两条公路的总费用最低?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643ef7d761de0e794fc39937dc72ac6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa6b27b6442cafd26eaa354c45bd857.png)
(1)若已知下列所给的三个方程中有一个是等轴双曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a029973b0a9a84e9379ddba2320144.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/872be4645b9ccafc2744f8c822d17005.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cb0a261f1154a9bda6a29a42c5408ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)现要在等轴双曲线
![](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/4c53c2ce5532642de107e0d85c75f3e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b285bf0ab7b964dd271e6effec7ba6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2019-12-07更新
|
485次组卷
|
2卷引用:沪教版(2020) 选修第一册 单元训练 第2章 双曲线(B卷)
名校
解题方法
10 . 已知椭圆
的左右顶点是双曲线
的顶点,且椭圆
的上顶点到双曲线
的渐近线的距离为
.
(1)求椭圆
的方程;
(2)若直线
与
相交于
两点,与
相交于
两点,且
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50e48d1edbfb6a5a48f9a95551d1dbc2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5fe5b301aa1106cf43d1c78851dc22a.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/860884c0017c8bceb5b0edff796c144f.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/237c115d5b39d761e1cbcae031070b70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/357e0872d9e98d662a780e7686de86ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/687cebbd5812882ed091d3a9b8092adb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/642bf32b200dac60a56ff523d9f48317.png)
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2018-08-23更新
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7卷引用:重庆市求精中学2022届高三上学期一诊模拟数学试题