1 . 已知椭圆
且经过
,
,
,
中的三点,抛物线
,椭圆
的右焦点是抛物线
的焦点.
(1)求曲线
,
的方程;
(2)点P是椭圆
的点,且过点P可以作抛物线
的两条切线,切点为A,B,求三角形
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd486b8796b3454eab219c28ed131683.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d82f03d55136baa4fa3730c7322d117.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9abf8ecb241c7445cdaadbdd962e9e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb085c452c6fb59cd2973c0182db9235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cea8120733aa8bb7d905361659c53f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0107aa23cf707446f947fa236421c1f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)点P是椭圆
![](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/e1622ef87d58b6f90f24942918479a14.png)
您最近一年使用:0次
2022-05-26更新
|
2079次组卷
|
4卷引用:江苏省苏州市八校2022届高三下学期高考适应性检测(三模)数学试题
江苏省苏州市八校2022届高三下学期高考适应性检测(三模)数学试题江苏省苏州市2023-2024年高三上学期11月期中模拟数学试题(提优)(已下线)专题3 阿基米德三角形 微点2 阿基米德三角形综合训练(已下线)重难点15七种圆锥曲线的应用解题方法-1
名校
解题方法
2 . 椭圆M:
的焦距为
,点
关于直线
的对称点在椭圆
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/3adc7678-1279-474b-8639-5fa68a796e4a.png?resizew=170)
(1)求椭圆M的方程;
(2)如图,椭圆M的上、下顶点分别为A,B,过点P的直线
与椭圆M相交于两个不同的点C,D.
①求
的取值范围;
②当
与
相交于点Q时,试问:点Q的纵坐标是否是定值?若是,求出该定值;若不是,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20d059a0d71bddb677c603d84fac444b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/3/2/3adc7678-1279-474b-8639-5fa68a796e4a.png?resizew=170)
(1)求椭圆M的方程;
(2)如图,椭圆M的上、下顶点分别为A,B,过点P的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7b38a30abc43738719b2cbd1403c6ae.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次
2016-12-04更新
|
1534次组卷
|
2卷引用:2016届江苏省苏州大学高考考前指导卷1数学试卷