2022高三·全国·专题练习
解题方法
1 . 已知双曲线
的左、右焦点分别为
、
,过
的直线与双曲线的右支交于A、
两点,若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3a787a8597c4bebb8e5b9a1b9aec59c.png)
A.![]() |
B.双曲线的离心率![]() |
C.直线的![]() ![]() |
D.原点![]() ![]() ![]() |
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解题方法
2 . 已知抛物线
的焦点为
,过点
的直线交抛物线于
,
两点,则
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa2e31608e60e3fd40c040cfe9d6e8e.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/5f8a67e5eeaab8f935ba06f7f474d598.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2021-12-02更新
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964次组卷
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6卷引用:湖北省鄂州市2021-2022学年高二上学期期末数学试题
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解题方法
3 . 已知圆
:
,定点
,Q为圆上的一动点,点P在半径CQ上,且
,设点P的轨迹为曲线E.
(1)求曲线E的方程;
(2)过点
的直线交曲线E于A,B两点,过点H与AB垂直的直线与x轴交于点N,当
取最大值时,求直线AB的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6afc954e87bd737ec051d5c94837c8a7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/092fd1b1d33979818300cd2e3699bff7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261916de699ce931867dc62d8f628aa6.png)
(1)求曲线E的方程;
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb7b443d5a8c7a77ababfd924f091eb5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5db7d5f018a33dec5a91a82ee1d79183.png)
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2021-11-26更新
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6卷引用:湖北省鄂州市2021-2022学年高二上学期期末数学试题
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4 . 已知在三棱锥
中,
为
中点,
平面
,
,
,下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63397cda22cb1fad59cf966dfb588643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3e126c16032892966489053f44b9048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f9b9bb0f509e6f3d30858efb217c1f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a9b8e7befcb7881c294070175b1a554.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/15/059c0201-fae4-464e-9f63-9953dd522585.png?resizew=179)
A.若![]() ![]() ![]() |
B.若![]() ![]() |
C.当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() ![]() ![]() |
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2021-08-12更新
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3卷引用:湖北省鄂州市2021-2022学年高二上学期期末数学试题
解题方法
5 . 已知椭圆
的离心率为
,左右顶点分别为
,上下顶点分别为
,四边形
的面积为
,
(1)求椭圆的方程;
(2)过椭圆的右焦点
的直线
与椭圆交于
,
两点,直线
、
分别交直线
于
两点,判断
是否为定值,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/026fced6e02fab3a836d0f0280d3f3bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39acab3cfb59bfc9591371721ab01d93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c593ebdb2f1934a0cb56f8c44f454f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
(1)求椭圆的方程;
(2)过椭圆的右焦点
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf702adb116c1e46569eb7050d029f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cd9b2bc7f7e900d3009d343aac1904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6cb999795497e06f658106ed958e3b5.png)
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2021-01-05更新
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4卷引用:湖北省鄂州市2021-2022学年高二下学期期末数学试题
湖北省鄂州市2021-2022学年高二下学期期末数学试题江苏省扬州市2020-2021学年高三上学期1月适应性练习数学试题(已下线)大题专练训练21:圆锥曲线(椭圆:定值定点问题1)-2021届高三数学二轮复习陕西省宝鸡市陈仓区2021届高三下学期教学质量检测(二)理科数学试题