名校
1 . 画法几何的创始人——法国数学家蒙日发现:在椭圆
中,任意两条互相垂直的切线的交点都在同一个圆上,它的圆心是椭圆的中心,半径等于长、短半轴平方和的算术平方根,这个圆就称为椭圆C的蒙日圆,其圆方程为
.已知椭圆C的离心率为
,点A,B均在椭圆C上,直线
,则下列描述正确的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/833bf16f0161259e9d973dbdd5c6b18c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/659135b1133b87821c5ace5858a2ece5.png)
A.点A与椭圆C的蒙日圆上任意一点的距离最小值为b |
B.若l上恰有一点P满足:过P作椭圆C的两条切线互相垂直,则椭圆C的方程为![]() |
C.若l上任意一点Q都满足![]() ![]() |
D.若![]() ![]() ![]() ![]() |
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2023-12-13更新
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3卷引用:2023-2024学年高二上学期期末数学仿真模拟试题04(新高考地区专用)
2 . 已知椭圆
(
)的离心率为
,其上焦点
与抛物线
的焦点重合.
(1)求椭圆
的方程;
(2)若过点
的直线交椭圆
于点
,同时交抛物线
于点
(如图1所示,点
在椭圆与抛物线第一象限交点上方),试比较线段
与
长度的大小,并说明理由;
(3)若过点
的直线交椭圆
于点
,过点
与直线
垂直的直线
交抛物线
于点
(如图2所示),试求四边形
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a0e7a68e0ce319f3df1f2ce30e3e76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61be090d2f56224b572047d9b36dc3d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/3/fc5512f2-94a2-4cf1-9c59-002a4447ab73.png?resizew=289)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(3)若过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31e55e398e8520d8a36fb5a625a085b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52041559f8fee18bfa3e2e2ac07c3bfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87391c2b154b302f4bf939035f59b99c.png)
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名校
解题方法
3 . 已知椭圆
的左,右焦点分别为
,
,圆
,点P在椭圆C上,点Q在圆M上,则下列说法正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e756feec2851b90497421790a7206e76.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/3935dafafc5f643540f7dc493073af85.png)
A.若椭圆C和圆M没有交点,则椭圆C的离心率的取值范围是![]() |
B.若![]() ![]() |
C.若存在点P使得![]() ![]() |
D.若存在点Q使得![]() ![]() |
您最近一年使用:0次
2023-11-11更新
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599次组卷
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6卷引用:四川省成都市第七中学2023-2024学年高二上学期期末复习数学试题(三)
名校
解题方法
4 . 已知椭圆
:
的离心率为
,其左、右焦点为
、
,过
作不与
轴重合的直线
交椭圆
于
、
两点,
的周长为8.
(1)求椭圆
的方程;
(2)设线段
的垂直平分线
交
轴于点
,是否存在实数
,使得
?若存在,求出
的值;若不存在,请说明理由.
(3)以
为圆心4为半径作圆,过
作直线
交圆
于
、
两点,求四边形
的面积的最小值及取得最小值时直线
的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.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/a3fb78c5f885034612c0e030b920143d.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/c5db41a1f31d6baee7c69990811edb9f.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/76ea1c3fe8431260ecb8dffcdae8d570.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/27/41338274-ca1d-4cfd-99fa-8b0a858f3b31.png?resizew=202)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b786a819ee6702edfc2fa26123e98ed9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
(3)以
![](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/73914b8189da50ca10a629b52010f9eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.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/ae3e029070ad0d2ce680d5336ed7150a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2023-09-25更新
|
1269次组卷
|
5卷引用:广东五校2022-2023学年高二下学期期末联考数学试题
广东五校2022-2023学年高二下学期期末联考数学试题浙江省衢温“5+1”联盟2022-2023学年高二上学期期中联考数学试题(已下线)专题突破卷23 圆锥曲线大题归类(已下线)重难专攻(十一)?圆锥曲线中的证明,探究性问题(核心考点集训)江苏省扬州市邗江区邗江中学2023-2024学年高二上学期期中数学试题
5 . 如图,在平面直角坐标系
中,椭圆
过点
,且离心率为
,设椭圆
的右顶点为
,点
,
是椭圆
上异于
,
的两个动点,记直线
,
的斜率分别为
,
,且
.
(1)求证:直线
过定点
;
(2)设直线
,
相交于点
,记
,
的面积分别为
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.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/7f9e8449aad35c5d840a3395ea86df6d.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/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/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb6ede9761b5b90f8dc137708e1ee90f.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/784f80ff0ce3f794b179f967cb31420f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/8/6/ac178938-15e0-4b62-a577-717c83e45f16.png?resizew=173)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8059a935a2325a9e7abbcbf56aa167f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17f20c25bb16153b5f2d25062ed7a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
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2023-07-27更新
|
1055次组卷
|
4卷引用:浙江省台州市名校联盟2022-2023学年高二上学期11月五科联赛数学试题
浙江省台州市名校联盟2022-2023学年高二上学期11月五科联赛数学试题广东省惠州市博罗县2023-2024学年高二上学期期末数学试题广东省惠州市2023-2024学年高二上学期1月期末数学试题(已下线)第2章 圆锥曲线(压轴题专练)-2023-2024学年高二数学单元速记·巧练(沪教版2020选择性必修第一册)
名校
解题方法
6 . 已知椭圆
的左、右焦点分别为
,直线
与椭圆C交于M、N两点,(点M在点N的上方),与y轴交于点E.
(1)当
时,点A为椭圆C上除顶点外任一点,求
的周长;
(2)当
且直线l过点
时,设
,求证:
为定值,并求出该值;
(3)若椭圆C离心率为
,当k为何值时,
恒为定值,并求此时三角形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2044d16da05ba46b7779d61430166f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/327a8132cb929667c033a3c20bd9c67c.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cbeede118c407a800b05757b9a1393e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2cfd997d3b66a3b8f7731b26f0ab0c8.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f66884efff7400f92b530d69d029778d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7ff329f3b12cf5678e99941e7188621.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ab89cab60237f7a82451b388b71237c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
(3)若椭圆C离心率为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4de13a47637548ce5594ed8d64dec0c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1eb76f88cb973c220cffa1c9c0721a6.png)
您最近一年使用:0次
2023-06-14更新
|
1095次组卷
|
10卷引用:上海市高二数学下学期期末模拟试卷03--高二期末考点大串讲(沪教版2020选修)
(已下线)上海市高二数学下学期期末模拟试卷03--高二期末考点大串讲(沪教版2020选修)上海市徐汇区2023届高三二模数学试题(已下线)模块八 专题9 以解析几何为背景的压轴解答题(已下线)专题08 平面解析几何-学易金卷上海市建平中学2022-2023学年高二下学期5月月考数学试题(已下线)重难点03圆锥曲线综合七种问题解题方法-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)(已下线)第2章 圆锥曲线 单元综合检测(重点)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)上海市金山中学2023-2024学年高二下学期3月月考数学试卷(已下线)信息必刷卷04(上海专用)(已下线)数学(上海卷02)
名校
解题方法
7 . 已知椭圆
:
,
,
.椭圆
内部的一点![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea47c39b45a08749c34545c5ea63f39.png)
,过点
作直线
交椭圆于
,作直线
交椭圆于
.
、
是不同的两点.
(1)若椭圆
的离心率是
,求
的值;
(2)设
的面积是
,
的面积是
,若
,
时,求
的值;
(3)若点
,
满足
且
,则称点
在点
的左上方.求证:当
时,点
在点
的左上方.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42179166d21d549d0a67fc18eb23ddcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/578faa3e92d60d4741a360898e46ce61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f213e991614465959aac77292c9bf09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ea47c39b45a08749c34545c5ea63f39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a363df9127fb019f87ec53470c50dcc3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b1ec05e3cec27677ded7b4aecaa62d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7bf58e5fea1189b33cf55d86335452f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
(1)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5437d5aec66b82c4b24ecad191ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdcbf4178c8ed5827e2c88636f82bf42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8395a33e03b51b63634c94da524bed41.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43f76fcb7712ce0d0ddb4104f7b7236.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bac013f1df37f2a894a4fdf0cda00a79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bce88593d30c07d9b882049ed9688b7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a3086ce1d297823309f83900cac1622.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be54e84508decfcce6d2fcbe6c8c1a92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8138459c901da203d5a613736dd38150.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
您最近一年使用:0次
2023-04-13更新
|
1624次组卷
|
9卷引用:上海师范大学附属中学2022-2023学年高二下学期期末数学试题
上海师范大学附属中学2022-2023学年高二下学期期末数学试题(已下线)上海市高二下学期期末真题必刷04(压轴题)--高二期末考点大串讲(沪教版2020选修)上海市奉贤区2023届高三二模数学试题(已下线)模块八 专题9 以解析几何为背景的压轴解答题(已下线)专题08 平面解析几何-学易金卷(已下线)重难点03圆锥曲线综合七种问题解题方法-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)上海市静安区市北中学2024届高三上学期12月月考数学试题(已下线)专题15 圆锥曲线综合(已下线)重难点14 圆锥曲线必考压轴解答题全归类【十一大题型】(举一反三)(新高考专用)-2
名校
解题方法
8 . 已知椭圆
的左、右焦点分别为
,离心率为
,点
在椭圆上,连接
并延长交
于点
,连接
,若存在点
使
成立,则
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/168b3e4b1d6f04226fa2687a72a268b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ac86e1c253297a377e14fb9a1689be8.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/a16c755ab3fea6ca99b13193a5d7e485.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a10d23ff4ff1be567d781d7624a663c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ded4a47543a89c17be98722ed14e71b.png)
您最近一年使用:0次
2023-04-09更新
|
3321次组卷
|
9卷引用:四川省成都市第七中学2023-2024学年高二上学期期末复习数学试题(三)
四川省成都市第七中学2023-2024学年高二上学期期末复习数学试题(三)江西省宜春市宜丰中学2024届高三上学期期末数学试题浙江省嘉兴市2023届高三下学期4月教学测试(二模)数学试题(已下线)专题07 平面解析几何(已下线)模块八 专题7 以解析几何为背景的压轴小题(已下线)专题06 椭圆性质综合归类-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)湖南省长沙市长郡中学2024届高三上学期月考数学试题(五)(已下线)专题08 圆锥曲线 第三讲 圆锥曲线中的最值与范围问题(分层练)(已下线)专题5 焦点弦长 公式性质 练(高考真题素材库之典型好题母题)
名校
解题方法
9 . 已知椭圆
的离心率为
,C上的点到其焦点的最大距离为
.
(1)求C的方程;
(2)若圆
的切线l与C交于点A,B,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/742aa80e3884e115bcd4a4fe20402b17.png)
(1)求C的方程;
(2)若圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03e6bedb066ee81c299629cccf35f186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaff41080fdea43eea7efedf9ebc1498.png)
您最近一年使用:0次
2023-03-11更新
|
658次组卷
|
4卷引用:辽宁省农村重点高中协作体2022-2023学年高二上学期期末考试数学试题
辽宁省农村重点高中协作体2022-2023学年高二上学期期末考试数学试题新疆兵团地州学校2022-2023学年高二上学期期末联考数学试题福建省莆田第十中学2022-2023学年高二下学期3月月考数学试题(已下线)第09讲 拓展三:圆锥曲线的方程(弦长问题)-【帮课堂】2023-2024学年高二数学同步学与练(人教A版2019选择性必修第一册)
解题方法
10 . 已知椭圆
的离心率为
,以椭圆
的任意三个顶点为顶点的三角形的面积是
.
(1)求椭圆
的方程;
(2)设
为原点,A为椭圆的左顶点,
是椭圆
上不同于点A的两点,且直线
的斜率之积等于
.求
与
的面积比值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026ca45306da00dc5fbc68ba8b948c2a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1ae7f4ebfe198f1ec98e919e1368624.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/983ca52d39248840ec0120d1a64dfab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602baac86c2b1668ecdfadc8a5948885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/323eb2e41f461ac655012a986d5a27bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98013a5042685a1db94249e70c62c09a.png)
您最近一年使用:0次