名校
解题方法
1 . 已知椭圆
的左顶点到右焦点的距离是3,且
的离心率是
,过左焦点
的直线
与椭圆交于
两点,过左焦点且与直线
垂直的直线
与椭圆交于
两点.
(1)求椭圆
的标准方程;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13dea1bd3d0dd84b8b6f6ff634c5600c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/104ba286d8740a27a3def924432c959a.png)
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名校
解题方法
2 . 已知椭圆
的离心率为
,过
的右焦点
的直线
与
交于
两点,与直线
交于点
,且
,则
的斜率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8139606fc4911b5c567840798686b67f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1174142f3bba761585b6bc2653009b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/7ae1567d8f98fabc1a3948f8602cc5e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b802eb8d8a18db653fa1d7e586b1c0b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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|
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|
2卷引用:河北省邢台市五岳联盟2023-2024学年高二下学期期中考试数学试卷
3 . 如图,椭圆
的右顶点为
,上顶点为
,过点
的直线
交椭圆
于
两点.
与
垂直,求
;
(2)过点
作
轴的垂线,分别交直线
和
于
,记
的面积分别是
,判断
是否为定值,若是,求出此定值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c118b51ab426bc1c1b56179094f146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d1e4a02f6a99a4b838dcaf9541d7f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23b46f350929a81f53ff470b92d6c02c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d9ac4c952b787d4483da71c0a2b8e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdd5c2dc016f146268b14e361d324e69.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d9e13b2ed01380ee0ce8e32adf56b42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3637753af5ce86be9c23a9beb6b5067.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86db4dd47155915907f0862acf1ae3a4.png)
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2024-05-08更新
|
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2卷引用:河北省沧州市联考2023-2024学年高三下学期4月月考数学试题
4 . 由椭圆的两个焦点和短轴的一个顶点组成的三角形称为该椭圆的“特征三角形”.如果椭圆
的“特征三角形”为
,椭圆
的“特征三角形”为
,若
,则称椭圆
与
“相似”,并将
与
的相似比称为椭圆
与
的相似比.已知椭圆
:
与椭圆
:
相似.
(1)求椭圆
的离心率;
(2)若椭圆
与椭圆
的相似比为
,设
为
上异于其左、右顶点
,
的一点.
①当
时,过
分别作椭圆
的两条切线
,
,切点分别为
,
,设直线
,
的斜率为
,
,证明:
为定值;
②当
时,若直线
与
交于
,
两点,直线
与
交于
,
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5518f853e3a929edf3dd3cee8ec0760d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8321b4034b3ab70b6cbfa25bca18df2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edaf9a32b79eb97becf706682da7115d.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/5518f853e3a929edf3dd3cee8ec0760d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8321b4034b3ab70b6cbfa25bca18df2e.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/271e595c257e4c0ade90a9bbbf0e6b0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若椭圆
![](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/5532211b42702f7b281834d500c666d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249767ae3bf665f1c8db866dbb366940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24006d28116bc097933cc90bcc0ea69f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2451835b9ad821bc17a317bc0189a38.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24006d28116bc097933cc90bcc0ea69f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2451835b9ad821bc17a317bc0189a38.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/b4757181824e15e0f21e5bdd55448783.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e260f5fe6e3637a415344ff137c7a6be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/800c5e266b4ad8462a46970f0a232d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46b053f98b1d05a2043e94eeaefea87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.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/9f685277f6c178fb1fcd5e8387886721.png)
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2024-03-29更新
|
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3卷引用:河北省石家庄市七县联考2023-2024学年高二下学期3月月考数学试题
名校
解题方法
5 . 已知椭圆
的离心率为
,焦距为
,过
的左焦点
的直线
与
相交于
、
两点,与直线
相交于点
.
(1)若
,求证:
;
(2)过点
作直线
的垂线
与
相交于
、
两点,与直线
相交于点
.求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b4acb0673d5a59e659b404375d58db5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c405a74d880bfdc6d317b5b3e755f4.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/639c3d2ff5ee566fcc1b69c65712a661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8d50c437c19b6028afc43e9bebf7d76.png)
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2023-03-29更新
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13卷引用:河北省石家庄正定中学2023-2024学年高二上学期期中数学试题
河北省石家庄正定中学2023-2024学年高二上学期期中数学试题江苏省八市(南通、泰州、扬州、徐州、淮安、连云港、宿迁、盐城)2023届高三二模数学试题(已下线)专题14圆锥曲线中的最值、范围、探索问题(已下线)江苏省八市2023届高三二模数学试题变式题17-22专题20平面解析几何(解答题)江苏省淮安市淮阴中学2023-2024学年高二上学期10月阶段练习数学试题(已下线)重难点突破17 圆锥曲线中参数范围与最值问题(八大题型)(已下线)重难点突破06 弦长问题及长度和、差、商、积问题(七大题型)-2江苏省八市2023届高三下学期第二次调研测试数学试题江苏省南京市2023-2024学年高二上学期期末模拟数学试题四川省成都市石室中学2023-2024学年高一下学期开学考试数学(理科)试卷四川省成都市石室中学2023-2024学年高一下学期开学考试数学(文科)试卷四川省成都第十二中学2023届高三下学期三诊模拟考试文科数学试卷
名校
解题方法
6 . 已知焦点在x轴上的椭圆
的内接平行四边形的一组对边分别经过其两个焦点(如图),当这个平行四边形为矩形时,其面积最大,则椭圆离心率的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-02-25更新
|
1303次组卷
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6卷引用:河北省石家庄市第二中学2023届高三下学期4月月考数学试题
河北省石家庄市第二中学2023届高三下学期4月月考数学试题黑龙江省哈尔滨德强学校2022-2023学年高三下学期清北班阶段性测试(开学考试)数学试卷(已下线)第八章 解析几何 专题8 有关椭圆的离心率问题 高中数学优质试题一题多解和变式训练(已下线)专题06 椭圆的压轴题(6类题型+过关检测)-【常考压轴题】2023-2024学年高二数学上学期压轴题攻略(人教A版2019选择性必修第一册)江西省宜春市宜丰中学2023-2024学年高二上学期期末数学试题(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)
解题方法
7 . 已知椭圆
的右焦点为F,椭圆
.
![](https://img.xkw.com/dksih/QBM/2022/4/28/2967973908578304/2969179699650560/STEM/edae2333f4f24b1ea933ca0d5f97c53b.png?resizew=182)
(1)求
的离心率;
(2)如图:直线
交椭圆
于A,D两点,交椭圆E于B,C两点.
①求证:
;
②若
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff1455a4045eb93f482c0751840aea7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd3a3269dd7a4539c7eec25df816b60a.png)
![](https://img.xkw.com/dksih/QBM/2022/4/28/2967973908578304/2969179699650560/STEM/edae2333f4f24b1ea933ca0d5f97c53b.png?resizew=182)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)如图:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b44c7d3a8499af18da17231d6b898274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
①求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/495021c7da1c77e6ed1d1dd30e0be7bc.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27a5569b9f84d91f16f1762ef1e6d0c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/004104bafb5f30338123d4ea2b7fedde.png)
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8 . 在平面直角坐标系
中,已知椭圆
的上顶点
,左、右焦点分别为
、
,
是周长为
的等腰直角三角形.
![](https://img.xkw.com/dksih/QBM/2022/1/9/2869325358481408/2938294917308416/STEM/0b9d7d37-b8a6-41ad-b731-69116f40ee2d.png?resizew=185)
(1)求椭圆
的标准方程;
(2)过点
,且互相垂直的直线
、
分别交椭圆
于
、
两点及
、
两点.
①若直线
过左焦点
,求四边形
的面积;
②求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5076829e649b3f3866d4a7e07a5713e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/697c20fca284394bf5d5b9e5f6d952e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3824d9d42a2bd926fbd8f99a2c37eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388590e0f8d9dfeaf2b65f80648257d4.png)
![](https://img.xkw.com/dksih/QBM/2022/1/9/2869325358481408/2938294917308416/STEM/0b9d7d37-b8a6-41ad-b731-69116f40ee2d.png?resizew=185)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbec2b399dca73cf28e33ec10b7a347f.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/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/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
①若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ebc26aaf41c3f55d2408f13e08e09a2.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b53c5b5cd47dd0cdd8cb74ee1a4d937.png)
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2022-03-17更新
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5卷引用:河北省部分重点中学2022届高三下学期期中数学试题
河北省部分重点中学2022届高三下学期期中数学试题江苏省苏州市常熟市2021-2022学年高三上学期12月抽测二数学试题(已下线)专题29 弦长问题及长度和、差、商、积问题-2(已下线)江苏省八市2023届高三二模数学试题变式题17-22江西省上饶市第一中学2022-2023学年高二上学期期中数学试题
名校
解题方法
9 . 设椭圆
的左,右焦点分别为
,其离心率为
,且点
在C上.
(1)求C的方程;
(2)O为坐标原点,P为C上任意一点.若M为
的中点,过M且平行于
的直线l交椭圆C于A,B两点,是否存在实数
,使得
?若存在,求
值;若不存在,说明理由.
![](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/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e501efaf72113fc8ee3d495004fa980.png)
(1)求C的方程;
(2)O为坐标原点,P为C上任意一点.若M为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98d107e77106ff1a9cb76b504bbc99bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79896e6065b6653d41533f0ebb120a4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
2022-02-21更新
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18卷引用:河北省唐山市2019-2020学年高二上学期期末数学试题
河北省唐山市2019-2020学年高二上学期期末数学试题河北省秦皇岛市抚宁区第一中学2019-2020学年高二上学期期末数学试题贵州省贵阳市第一中学2020届高三上学期第三次月考数学(文)试题宁夏石嘴山市第三中学2019-2020学年高二上学期期末考试数学(理)试题2020届江西省赣州市赣县三中高三1月考前适应性考试数学(理)试题海南省海南枫叶国际学校2019-2020学年高二上学期期末考试数学试题(已下线)专题05 圆锥曲线中的证明问题、探究性问题(第五篇)-2020高考数学压轴题命题区间探究与突破四川省宜宾市叙州区第二中学校2020届高三第一次高考适应性考试数学(理)试题四川省宜宾市叙州区第二中学校2020届高三第一次高考适应性考试数学(文)试题(已下线)专题19 圆锥曲线综合-2020年高考数学(理)母题题源解密(全国Ⅱ专版)(已下线)专题19 圆锥曲线综合-2020年高考数学(文)母题题源解密(全国Ⅱ专版)西藏山南市第二高级中学2020届高三第三次模拟考试数学(文)试题西藏山南市第二高级中学2020届高三第三次模拟考试数学(理)试题广西桂林市2021-2022学年高二上学期期末考试数学(理)试题(已下线)解密18 椭圆 (讲义)-【高频考点解密】2022年高考数学二轮复习讲义+分层训练(全国通用)(已下线)专题29 弦长问题及长度和、差、商、积问题-2第三章 圆锥曲线的方程单元测试(基础版)-【新教材优创】突破满分数学之2022-2023学年高二数学重难点突破+课时训练 (人教A版2019选择性必修第一册)江西省南昌市铁路第一中学2022-2023学年高二下学期3月月考数学试题
10 . 已知椭圆
:
的左、右顶点分别为
,
,右焦点为
,折线
与
交于
,
两点.
(1)当
时,求
的值;
(2)直线
与
交于点
,证明:点
在定直线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.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/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/640bcaecb7b575307c199d828ba96384.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)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e94f16d5ed858699bfea5039a7bf8ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd3adfb8ef95245d7d073de76ceb053a.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2021-03-23更新
|
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4卷引用:河北衡水中学2021届高三三轮复习自主复习旗开得胜数学(二)试题
河北衡水中学2021届高三三轮复习自主复习旗开得胜数学(二)试题福建省泉州市2021届高三一模数学试题陕西省西安中学2021届高三下学期第十次模拟考试理科数学试题(已下线)第十一章 圆锥曲线专练9—椭圆大题(定点问题)-2022届高三数学一轮复习