解题方法
1 . 在平面直角坐标系
中,设椭圆
的离心率为
点
在椭圆上,过椭圆的焦点且与
轴垂直的直线被椭圆
截得的弦长为
.
(1)求椭圆
的方程;
(2)直线
与椭圆
相交于
两点,点
不在
轴上,点
关于
轴的对称点为
求
的面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5289aa21ff60cbf5041f1e0e4e47ffd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecebe8de891892765fb80e5c521e377b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7015cdd5d287a8f9f510165a90abf457.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b181952b8e9316547203300b169503c.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d57ededbfbe717b2f1f160b1d946d2c.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3233baa46beda7984214de6e5da0e0e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb552ac4e32bb799842ddf2d19a48b5e.png)
您最近一年使用:0次
解题方法
2 . 已知椭圆
(
)的左,右焦点分别为
,
,上,下两个顶点分别为
,
,
的延长线交
于
,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7d72a07a4e5acfc140a3cea1f26b951.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.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/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e6fddb2bd5699184034cfe4bfbf99d.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/156a3cedb2cffa7c2f55e15709c7a6e5.png)
A.椭圆![]() ![]() |
B.直线![]() ![]() |
C.![]() |
D.![]() |
您最近一年使用:0次
3 . 已知定圆
,点A是圆M所在平面内一定点,点P是圆M上的动点,若线段
的中垂线交直线
于点Q,则点Q的轨迹可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0d815b1dd40ac542b3a9d10584da5d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
A.椭圆 | B.双曲线 | C.抛物线 | D.圆 |
您最近一年使用:0次
2024-01-04更新
|
1652次组卷
|
3卷引用:江苏省四校联合2024届高三新题型适应性考试数学试题
名校
解题方法
4 . 在平面直角坐标系
中,椭圆
的左,右顶点分别为
、
,点
是椭圆的右焦点,
,
.
(1)求椭圆
的方程;
(2)经过椭圆右焦点
且斜率不为零的动直线
与椭圆交于
、
两点,试问
轴上是否存在异于点
的定点
,使
恒成立?若存在,求出
点坐标,若不存在,说明理由.
![](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/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/37eac93736b605958ab6834b255dfa8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a29a526ef9eee23b2430306e9febbd72.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)经过椭圆右焦点
![](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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c94a0b8545257e4d203232569bc3985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
您最近一年使用:0次
2023-12-31更新
|
1120次组卷
|
6卷引用:江苏省苏州市南航苏州附中2024届高三上学期零模模拟数学试题
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