已知中心在原点O,焦点在x轴上的椭圆E过点
,离心率为
.
(1)求椭圆E的方程;
(2)设直线
与椭圆E交于A,B两点,若
的面积为
,求直线l的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd85ed9cb9a08633bfc36fc7bf4e6b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d5989c84e320b504511f23eeb6e7357.png)
(1)求椭圆E的方程;
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3348aa4cbf8f53e4ba7247acc94da5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe95f656b98b53f71a9d72bf0c9a4b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
更新时间:2020-08-11 06:32:13
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【推荐1】已知椭圆
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,Q为C的上顶点,且满足
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(1)求C的方程.
(2)若P为直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/224d30ca84f1aeeeda7a718e751a4925.png)
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【推荐2】在平面直角坐标系xOy中,已知椭圆C:
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,且离心率
.
(1)求椭圆C的方程;
(2)已知直线l:
与椭圆C交于A,B两点,若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
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(1)求椭圆C的方程;
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c80e3a3b6c6513a45506f605638f5655.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cae00bdc6f8b564b6b15b32572c848b.png)
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【推荐2】在直角坐标系
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
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(1)若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
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