名校
解题方法
1 . 已知椭圆
的左、右焦点分别为
,动直线
过点
与椭圆
相交于
两点.
(1)当
轴时,求
的外接圆的方程;
(2)求
内切圆半径的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2242ca20bd7ab3d41b128e10a4071521.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/165a501b2e6a3acc46212e59a166c053.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3c07ebcbfacda073208d483c58e8a84.png)
您最近一年使用:0次
2024-06-04更新
|
35次组卷
|
2卷引用:陕西省宝鸡市长岭中学2023-2024学年高二上学期期中考试数学试题
2024高二·江苏·专题练习
解题方法
2 . 已知椭圆C关于x轴,y轴都对称,并且经过两点,
.
(1)求椭圆C的方程;
(2)直线l经过椭圆C的左焦点且垂直于椭圆的长轴,与椭圆C交于D,E两点,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c15514bc735fe4b744672edefe00009c.png)
您最近一年使用:0次
3 . 设点
是椭圆
上任意一点,过点
作椭圆的切线,与椭圆
交于
两点.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/ace6602b-ed9b-4579-a1ec-98d61a6294b3.png?resizew=155)
(1)求证:
;
(2)
的面积是否为定值?若是,求出这个定值;若不是,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f036026cd92e9ad059c3f22a7658638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1e91e565e14d96a20169db44fcde58a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ae6f48b9a53c0155a692509cf31f7e6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/ace6602b-ed9b-4579-a1ec-98d61a6294b3.png?resizew=155)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b0bec6e780130fbed900fdb153555d.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
您最近一年使用:0次
2024-02-05更新
|
1468次组卷
|
6卷引用:四川省成都市第七中学2024届高三下学期开学考试数学(理)试题
名校
解题方法
4 . 椭圆具有如下光学性质:从椭圆的一个焦点发出的光线,经过椭圆反射后,反射光线过椭圆的另一个焦点(如图).已知椭圆
的左、右焦点分别为
,过点
的直线与
交于点
,
,过点
作
的切线
,点
关于
的对称点为
,若
,
,则
( )
注:
表示面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.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/497a920c807d2535a77cea8f26920408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99819b616c5dba8bf27281211a8d4e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f663af8d49b40aaf3d3cd83b1a46346d.png)
注:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
A.2 | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
2024-01-31更新
|
482次组卷
|
6卷引用:河南省濮阳市2023-2024学年高二上学期期末考试数学试题
解题方法
5 . 已知椭圆
的上顶点为
,右顶点为
,且直线
的斜率为
.
(1)求
的方程;
(2)若直线
与
交于
两点(异于点
),且满足
,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f12cb70ca55eba4ff012771dbfa9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3389f53711264b0acba3ba6019f8b908.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若直线
![](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/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8573fd86670b02e982d52330b24d7d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a551505ae42b49904bab59b17012d8.png)
您最近一年使用:0次
2024-01-31更新
|
235次组卷
|
5卷引用:河南省濮阳市2023-2024学年高二上学期期末考试数学试题
河南省濮阳市2023-2024学年高二上学期期末考试数学试题河南省部分名校2023-2024学年高二上学期1月期末考试数学试题河南省焦作市2023-2024学年高二上学期1月期末考试数学试题河南省周口市沈丘县第三高级中学2023-2024学年高二上学期期末数学试题(已下线)2.2.1 椭圆的标准方程(十三大题型)(分层练习)-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)
6 . 已知椭圆
经过
两点.
(1)求
的方程;
(2)斜率不为0的直线
与椭圆
交于
两点,且点A不在
上,
,过点
作
轴的垂线,交直线
于点
,与椭圆
的另一个交点为
,记
的面积为
,
的面积为
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/851a5d6ec23256f9b4a9e98aa92945fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fece72f0129665f84fa70aa1d7bf2a8d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)斜率不为0的直线
![](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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f59747cee312ee5140643428cae79efa.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/ef00713e73b8357cc7900144f5505bc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/667dff25fdab1b5478467dd09b1669dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e097c8d4c948de063796bd19f85b3a9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6bf66a5f30d94390f59c6a3d1ae6c46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e0bd63f55069a3bc870915010b39225.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/235f0a6fb218d28383e6f27f2df1f50f.png)
您最近一年使用:0次
2024-01-20更新
|
758次组卷
|
7卷引用:陕西省安康市2024届高三上学期第二次质检数学(理科)试卷
7 . 如图,已知椭圆
的离心率为
,以该椭圆上的点和椭圆的左、右焦点
为顶点的三角形的周长为
.一等轴双曲线的顶点是该椭圆的焦点,设
为该双曲线上异于顶点的任一点,直线
和
与椭圆的交点分别为
和
.
(2)是否存在常数
,使得
恒成立?若存在,求
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e4ae17293f583b2d2480971ad9424ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1edc33277bf11da7b67816efcdb7286.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/0739793f234f8e86adc6177801ae7295.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e52586ca2a3b783bc8092415e2d4bf6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c29a7e8eea08197bf53164a560bee58.png)
(2)是否存在常数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/226c2de886cb8e7166dff84a457cf41b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
名校
解题方法
8 . 古希腊哲学家、百科式科学家阿基米德最早采用分割法求得椭圆的面积为椭圆的长半轴长和短半轴长乘积的
倍,这种方法已具有积分计算的雏形.已知椭圆
的面积为
,离心率为
,
,
是椭圆
的两个焦点,
为椭圆
上的动点,则下列结论正确的是( )
①椭圆
的标准方程可以为
②若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4689eea177dfadad2bbf39da5c5f42.png)
③存在点
,使得
④
的最小值为![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f625183d3afdc8cfccc15052b087e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c527aecdeaea8b50966f96938c1fc2e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
①椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ac28f4009db85e217fcc01a02d8084.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a62cd39019b41b4bc2e7df87844868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f4689eea177dfadad2bbf39da5c5f42.png)
③存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10dbd3ede6bf5330f3345a714665675c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbfd01398a70738a48e3682e5712d2be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1f625183d3afdc8cfccc15052b087e9.png)
A.①③ | B.②④ | C.②③ | D.①④ |
您最近一年使用:0次
2024-01-16更新
|
986次组卷
|
9卷引用:陕西省铜川市2024届高三一模数学(文)试题
陕西省铜川市2024届高三一模数学(文)试题陕西省铜川市2024届高三一模数学(理)试题重庆市万州二中教育集团2023-2024学年高二下学期入学质量监测数学试题(已下线)专题17 圆锥曲线常考压轴小题全归类(16大题型)(练习)(已下线)专题06 直线与圆、椭圆方程(分层练)(三大题型+12道精选真题)(已下线)2.2.2 椭圆的性质(十八大题型)(分层练习)-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)(已下线)黄金卷04(2024新题型)(已下线)2024年高考数学全真模拟卷06(新题型地区专用)(已下线)重难点13 圆锥曲线常考经典小题全归类【十二大题型】
名校
解题方法
9 . 已知椭圆
,直线
(其中
)与椭圆
相交于
两点,
为
的中点,
为坐标原点,
.
(1)求
的值;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9bf37fb661ccc2fdd67407269708df4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d00a5df9d281dd4e1e45bf6a4d6fb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4c78214e43a8b93f2a57072033cbcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/688075bdcbd17d782a5a8ddb9e1dc856.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
您最近一年使用:0次
2024-06-13更新
|
123次组卷
|
3卷引用:贵州省印江土家族苗族自治县智成中学2023-2024学年高二上学期12月月考数学试题
10 . 在平面直角坐标系
中,点A,B分别在x轴,y轴上运动,且
,动点P满足
.
(1)求动点P的轨迹C的方程;
(2)设点M,N在曲线C上,O为坐标原点,设直线
,
的斜率分别为
,
,且
,试判断
的面积是否为定值?若为定值,求出该定值;若不为定值,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/529b4836786aca156de325464ea2ecd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eee4dbf8d1be07b2f95ac0d26a9262f9.png)
(1)求动点P的轨迹C的方程;
(2)设点M,N在曲线C上,O为坐标原点,设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.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/02324abee955451054237a932230500a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4f02028a3847c4807c2d3cf0ea7efb8.png)
您最近一年使用:0次
2024-01-14更新
|
896次组卷
|
5卷引用:宁夏银川市第二中学2024届高三第一次模拟考试数学(理)试题
宁夏银川市第二中学2024届高三第一次模拟考试数学(理)试题陕西省宝鸡市2024届高三上学期高考模拟检测(一)数学(理)试题重庆市九龙坡区重庆实验外国语学校2024届高三下学期入学测试数学试题(已下线)专题06 直线与圆、椭圆方程(分层练)(三大题型+12道精选真题)内蒙古自治区呼和浩特市剑桥中学2023-2024学年高二下学期第一次(3月)月考数学试题