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解题方法
1 . 加斯帕尔·蒙日是18~19世纪法国著名的几何学家,他在研究时发现:椭圆的任意两条互相垂直的切线的交点都在同一个圆上,其圆心是椭圆的中心,这个圆被称为“蒙日圆”(如图).已知椭圆
:
,
是直线
:
上一点,过
作
的两条切线,切点分别为
、
,连接
(
是坐标原点),当
为直角时,直线
的斜率
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b971902999be2472828cbea1f1d5725a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a759a1e72766aa5c8a42aea392eebb4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.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/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45a8a837c11c07073da3ff751d70278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be177ab36c4e3fc656cfcdb7a34f8edc.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-17更新
|
790次组卷
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3卷引用:湖南省长沙市雅礼中学2024届高三下学期5月模拟(一)数学试卷
2 . 德国数学家米勒曾提出最大视角问题:已知点
是
的
边上的两个定点,
是
边上的一个动点,当
在何处时,
最大?结论是:当且仅当
的外接圆与边
相切于点
时,
最大.人们称这一命题为米勒定理.在平面直角坐标系内,已知
,点
是直线
上一动点,当
最大时,点
的坐标为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27935c1ef4df2d52ac697678a3c8f39d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaf3369e0ea90e8d5cf4b6b3c45c0fd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fabb884dc5f9609de491245463bbe9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c615507f06b6e0c6c2d93414ad596581.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcefd18333f55a3aa65c444d68feed1b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45a8a837c11c07073da3ff751d70278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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3 . 数学家欧拉1765年在其所著的《三角形几何学》一书中提出:任意三角形的外心、重心、垂心在同一条直线上,后人称这条直线为欧拉线.已知的顶点分别为
,
,
,则
的欧拉线方程为
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4 . 唐代诗人李颀的诗《古从军行》开头两句为“白日登山望烽火,黄昏饮马傍交河”,其中隐含了一个有趣的数学问题——“将军饮马”,即将军白天观望烽火台,黄昏时从山脚下某处出发先到河边饮马再回到军营,怎样走才能使总路程最短?在平面直角坐标系中,已知将军从山脚下的点
处出发,军营所在的位置为
,河岸线所在直线的方程为
,则“将军饮马”的最短总路程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/448c0a5ee776d19ce8e42ac9a5fd27c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/466e8c438084aef563c6aaeff3bca583.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfd1dcfe0c394b37a58b20c3b8123d4e.png)
A.3 | B.4 | C.5 | D.6 |
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2023-10-12更新
|
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4卷引用:湖南省部分学校(桃江县第一中学等校)2023-2024学年高二上学期10月联考数学试题
5 . 公元前3世纪,古希腊数学家阿波罗尼斯(Apollonius)在《平面轨迹》一书中,研究了众多的平面轨迹问题,其中有如下著名结果:平面内到两个定点
距离之比为
(
且
)的点
的轨迹为圆,此圆称为阿波罗尼斯圆.
(1)已知两定点
,
,若动点
满足
,求点
的轨迹方程;
(2)已知
,
是圆
上任意一点,在平面上是否存在点
,使得
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/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(1)已知两定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ba5cbb31299d683ac6c7dd795db85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df5d30e4268a4b86a4e098e8cb57da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc0d82cb174d173b7e36937c3f99f591.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d693e0488f9f648a2ee79c5d61a25288.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df5d30e4268a4b86a4e098e8cb57da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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6 . 抛物线有如下光学性质:由其焦点射出的光线经过抛物线反射后,沿平行于抛物线对称轴的方向射出;反之,平行于抛物线对称轴的入射光线经抛物线反射后必过抛物线的焦点.已知抛物线
的焦点为F,O为坐标原点,一束平行于x轴的光线
从点
射入,经过抛物线上的点
反射后,再经抛物线上另一点
反射后,沿直线
射出,则下列结论中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/388c361a4f70897c7b02c3885e48f178.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
A.![]() |
B.点![]() ![]() |
C.直线![]() ![]() |
D.直线![]() ![]() |
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7 . 等比数列的历史由来已久,我国古代数学文献《孙子算经》、《九章算术》、《算法统宗》中都有相关问题的记载.现在我们不仅可以通过代数计算来研究等比数列,还可以构造出等比数列的图象,从图形的角度更为直观的认识它.以前n项和为
,且
,
的等比数列
为例,先画出直线OQ:
,并确定x轴上一点
,过点
作y轴的平行线,交直线OQ于点
,则
.再过点
作平行于x轴,长度等于
的线段
,……,不断重复上述步骤,可以得到点列
,
和
.下列说法错误的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/390636a89883bd64bf8da9bf8654aff9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ca664b1e82da6f50064a76fe118aa80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994caea91364fb41a5b6bbc4a75f5395.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc2326cb86431ec57dededd7c9ed60a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c75efc5363537ea49449cd75ae729ef3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b2e6db493ca4e8efd9722ee21125689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c226c60b851cbf6d6c3361cac53bb049.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c5a325806df1a1c3e7ce609fe99085f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ada1e6800ad9d452585f9a6cf1ab7ef9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/621604766ddd141c86e37da5e71aef26.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/6/3/0275bf1e-282d-43e5-b78b-28db1e2870a5.png?resizew=258)
A.![]() | B.![]() |
C.点![]() ![]() | D.![]() |
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8 . 斜拉桥是鼗梁用若干根斜拉索拉在塔柱上的桥,它由梁、斜拉索和塔柱三部分组成.如图1,这是一座斜拉索大桥,共有10对永久拉索,在索塔两侧对称排列.如图2,已知拉索上端相邻两个锚的间距
均为
,拉索下端相邻两个锚的间距
均为
.最短拉索的锚
,
满足
,
,以
所在直线为
轴,
所在直线为
轴,则最长拉索
所在直线的斜率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/21/6b191cea-bb63-4deb-b7b3-b83030e6c991.png?resizew=444)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03f4e7daf5c3b0782d28240cb360e055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e7854968bbf6576a1fd9926ee0d4d63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dce9d3351a76738e878db5916ae5bc8b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19d4166fee97516ad1b1d4759a8e4ce6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f7b96bcbbfe1a7b1feae58a38cc053b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86c84e2d568e4ffd6e06e9d0aa2016c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d28cbe0b716ea72ce2ae381bfae53a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db883b60884a5af28e081dbafe35d7e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ee7f4fa805ba914c8d5dca2ea230e8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/21/6b191cea-bb63-4deb-b7b3-b83030e6c991.png?resizew=444)
A.![]() | B.![]() | C.![]() | D.![]() |
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6卷引用:湖南省邵阳市邵东市第一中学2023-2024学年高二上学期10月月考数学试题
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9 . 我国魏晋时期的数学家刘徽创立了割圆术,也就是用内接正多边形去逐步逼近圆,现作出圆
的一个内接正八边形,使该正八边形中的4个顶点在坐标轴上,则下列4条直线中不是该正八边形的一条边所在直线的为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2023-07-25更新
|
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3卷引用:湖南省长沙市实验中学2023-2024学年高二上学期第一次阶段性测试数学试题
湖南省长沙市实验中学2023-2024学年高二上学期第一次阶段性测试数学试题湖北省武昌实验中学2022-2023学年高二上学期10月月考数学试题(已下线)模块四 专题8 高考新题型(复杂情景题专训)拔高能力练(人教A)
名校
10 . 阿波罗尼斯是古希腊著名数学家,与欧几里得、阿基米德被称为亚历山大时期数学三巨匠,阿波罗尼斯发现:平面内到两个定点
,
的距离之比为定值
(
,且
)的点的轨迹是圆,此圆被称为“阿波罗尼斯圆”.在平面直角坐标系
中,
,
,点
满足
.设点
的轨迹为曲线
,则下列说法正确的是( )
![](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/df64046e91b047037f19e4032e3b6de3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3be362dec96173f246ff747264007817.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/472393b18c7880e73b40e31fbe2d951c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/316ba5cbb31299d683ac6c7dd795db85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df5d30e4268a4b86a4e098e8cb57da3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.![]() ![]() |
B.当![]() ![]() ![]() ![]() |
C.在![]() ![]() ![]() |
D.若![]() ![]() ![]() |
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2023-02-27更新
|
939次组卷
|
6卷引用:湖南省娄底市涟源市第一中学等3校2022-2023学年高三第六次联考数学试题