解题方法
1 . 如图,一张圆形纸片的圆心为点E,F是圆内的一个定点,P是圆E上任意一点,把纸片折叠使得点F与P重合,折痕与直线PE相交于点Q,当点P在圆上运动时,得到点Q的轨迹,记为曲线C.建立适当坐标系,点
,纸片圆方程为
,点
在C上.
(1)求C的方程;
(2)若点
坐标为
,过F且不与x轴重合的直线交C于A,B两点,设直线
,
与C的另一个交点分别为M,N,记直线
的倾斜角分别为
,
,当
取得最大值时,求直线AB的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3af7bd627ccc53e8a667f9f42b18fb21.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f134c358bb5b5fa06c935a47c4ebf10.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/20/8fdf1126-62b3-4ba7-b199-700653bd70fc.png?resizew=161)
(1)求C的方程;
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e55590555905eb4f57889bbd16e39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc6554ac3dff4a59833e407db887f6e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cad0a19415e796564f30906f2e7dbf76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a60bbddc1f1e13ff48801917c503ad4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d167ea739a6f6ea88e90f13dc5f1412.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd927b4b5a7875528c1b54aa4bb8b2dd.png)
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2 . 若
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895784697653b457df07987fed7e60b6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 已知
为坐标原点,
,
分别为双曲线
:
(
,
)的左、右焦点,点
为双曲线右支上一点,设
,过
作两渐近线的垂线,垂足分别为
,
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769a5f9190e88057ca2ecb249aa1ad23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
A.![]() ![]() |
B.![]() |
C.若当![]() ![]() ![]() ![]() |
D.当![]() ![]() ![]() ![]() ![]() |
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4 . 已知函数
与
的图象关于直线
对称,若
,构造函数
.
(1)当
时,求函数
在点
处的切线与坐标轴围成三角形的面积;
(2)若
(其中
为
的导函数),当
时,
,证明:
.(参考数据:
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ca5c70f5cb1caf91827aa7d3041f37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8a3f617721f69da3649d17ec9c59602.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27c97d54952104950bfd7afc0176bbd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339416541b598f3c1fd390ef1b3251b3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/752bf766bc202c8cb83e4c6a9abe989f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51350a90203fcdc2d500a89061b7f52d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b108ab31cc093f03cf48ad65429889e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/424ef928fdc9de964b00ad253701959e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fed1a157dd189c3a1f20868a121cad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac07d4b1e7127c7eb1fb914837256d70.png)
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5 . 已知椭圆
过点
,焦距为
.过
作直线l与椭圆交于C、D两点,直线
分别与直线
交于E、F.
(1)求椭圆的标准方程;
(2)记直线
的斜率分别为
,证明
是定值;
(3)是否存在实数
,使
恒成立.若存在,请求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39ea1f5bdd213c7c3a571b4c38850bf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38387ba1cadfd3dfc4dea4ca9f613cea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76d03fa28c117649b0fdfe17eed7b583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afeda89601db5178bf6f48eb93ef5820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
(1)求椭圆的标准方程;
(2)记直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afeda89601db5178bf6f48eb93ef5820.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0002e26d1bc3291c9c0004ef0cf9c537.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7007702bb816d842023ff17e7e8a9d0e.png)
(3)是否存在实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ba14f397c168b2e7fe26b5e38f1bb50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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2024-03-06更新
|
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2卷引用:浙江省杭州学军中学紫金港校区2023-2024学年高二上学期期末数学试题
名校
解题方法
6 . 设定义在
上的函数
的导函数分别为
,若
且
为偶函数,则下列说法中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a43b2faa4f81f32d94612dce724e772b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c0ed188d083966baaae94e6b86064f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a290d6204cec463ca2083cc899787fe2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94ea11d872cd15555e7c32c3a0e8663.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc70c16151048d64bcb8e1e9b51e7d81.png)
A.![]() | B.![]() |
C.![]() ![]() | D.函数![]() |
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2024-03-06更新
|
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5卷引用:浙江省杭州学军中学紫金港校区2023-2024学年高二上学期期末数学试题
浙江省杭州学军中学紫金港校区2023-2024学年高二上学期期末数学试题(已下线)新高考预测卷(2024新试卷结构)(已下线)高二下学期第一次月考模拟卷(新题型)(导数+计数原理)-2023-2024学年高二数学题型分类归纳讲与练(人教A版2019)吉林省长春外国语学校2023-2024学年高二下学期4月月考数学试卷(已下线)模块4 二模重组卷 第2套 复盘卷
解题方法
7 . 已知椭圆
的左、右顶点分别为
,
,上、下顶点分别为
,
,四边形
的面积为6,坐标原点
到直线
的距离为
.
(1)求
的方程;
(2)过点
作射线
,与直线
、椭圆
分别交于点
,
(异于点
),直线
与
相交于点
,证明:
,
,
三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a200ca2c4af794f4d1c6a5443830b5f.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae33911e41aa2f7004cc01e336f96bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69d166677557cadb3da32b4a7e152e3.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e55aa0a20848c37c1892c567b2315e04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.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/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
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解题方法
8 . 已知定点
,直线
相交于点M,且它们的斜率之积为
,记动点M的轨迹为曲线C.
(1)求曲线C的方程;
(2)点
满足
,直线
与双曲线
分别相切于点A,B.证明:直线
与曲线C相切于点Q,且
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/728b3360d5c6394457b907f1cbc31a18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7cf9344944048679b837e863a960321.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/602baac86c2b1668ecdfadc8a5948885.png)
(1)求曲线C的方程;
(2)点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c37f7b5daa99a468d8943b49459730b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d45b101a851861e06398962501e9d066.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790ef3382b1c731f2885eecfd92c2a86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ea74737939c0f94c91229a7098f36ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16f3ed61fc3f08ca7f2e38cb9d878f71.png)
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9 . 已知椭圆C:
过点
,直线
与椭圆
交于
两点,且线段
的中点为
为坐标原点,直线
的斜率为
,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e3a1baa2dbbdb3bca1776d10b288cd3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73533688e2820dacba2199ba6087bd4e.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/411461db15ee8086332c531e086c40c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/876f208635a511c8dc89da1dad21c868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
A.![]() ![]() |
B.![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() ![]() ![]() ![]() |
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名校
10 . 已知函数
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6f5dcff385c13525569b79715c3eb75.png)
A.当![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() |
D.当函数![]() |
您最近一年使用:0次
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|
949次组卷
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12卷引用:江苏省泰州市2023-2024学年高二上学期1月期末数学试题
江苏省泰州市2023-2024学年高二上学期1月期末数学试题湖北省黄冈市黄梅县育才高级中学2023-2024学年高二下学期第二次月考(3月)数学试题(已下线)6.2.2 导数与函数的极值、最值(2知识点+6题型+强化训练)-【帮课堂】2023-2024学年高二数学同步学与练(人教B版2019选择性必修第三册)河北省石家庄市第二中学西校区2023-2024学年高二下学期3月月考数学试题重庆市四川外国语大学附属外国语学校2023-2024学年高二下学期3月月考数学试题山东省济宁市第一中学2023-2024学年高二下学期质量检测(二)数学试题河北省承德市2023-2024学年高二下学期3月阶段性考试数学试卷山东省菏泽市定陶区第一中学2023-2024学年高二下学期第一次月考数学试题四川省屏山县中学校2023-2024学年高二下学期第一次阶段性考试数学试题山东省临沂市第十九中学2023-2024学年高二下学期第二次质量调研考试数学试题福建省三明市第一中学2023-2024学年高二下学期期中考试数学试题黑龙江省大庆市实验中学实验二部2023-2024学年高三下学期得分训练数学试卷(二)