解题方法
1 . 已知圆
,直线
过点
且与圆
交于点B,C,BC中点为D,过
中点E且平行于
的直线交
于点P,记P的轨迹为Γ
(1)求Γ的方程;
(2)坐标原点O关于
,
的对称点分别为
,
,点
,
关于直线
的对称点分别为
,
,过
的直线
与Γ交于点M,N,直线
,
相交于点Q.请从下列结论中,选择一个正确的结论并给予证明.
①
的面积是定值;②
的面积是定值:③
的面积是定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5f395de669fb40ce6a26d0c3158aa8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/879c9db500d9222b3e86779a4814a27d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fbb85d28f8bdeedad66fd7ec2a561455.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10d8eb4a9f462ca0c1d49c3fe91e720d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
(1)求Γ的方程;
(2)坐标原点O关于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/43a71fc9c0068109dad1382354570665.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](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/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5e884ca9429486026caa5e2310b0e4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/201d7685f19582f5d54f9205e8598d5a.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77fd540e5eea1a4e9d73b56acbf7340e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f30f6daddfc50a2bdd6ab80ef0969188.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78ae25bc675c4e1bc00fadbe25381c5.png)
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2 . 阅读材料:
(一)极点与极线的代数定义;已知圆锥曲线G:
,则称点P(
,
)和直线l:
是圆锥曲线G的一对极点和极线.事实上,在圆锥曲线方程中,以
替换
,以
替换x(另一变量y也是如此),即可得到点P(
,
)对应的极线方程.特别地,对于椭圆
,与点P(
,
)对应的极线方程为
;对于双曲线
,与点P(
,
)对应的极线方程为
;对于抛物线
,与点P(
,
)对应的极线方程为
.即对于确定的圆锥曲线,每一对极点与极线是一一对应的关系.
(二)极点与极线的基本性质、定理
①当P在圆锥曲线G上时,其极线l是曲线G在点P处的切线;
②当P在G外时,其极线l是曲线G从点P所引两条切线的切点所确定的直线(即切点弦所在直线);
③当P在G内时,其极线l是曲线G过点P的割线两端点处的切线交点的轨迹.
结合阅读材料回答下面的问题:
(1)已知椭圆C:
经过点P(4,0),离心率是
,求椭圆C的方程并写出与点P对应的极线方程;
(2)已知Q是直线l:
上的一个动点,过点Q向(1)中椭圆C引两条切线,切点分别为M,N,是否存在定点T恒在直线MN上,若存在,当
时,求直线MN的方程;若不存在,请说明理由.
(一)极点与极线的代数定义;已知圆锥曲线G:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/725a9d6a7c0cd596ece7f4c888b40510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae8f8c1244657aec3fe29890c4681414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d902a46e5e698f08b6e82c887cee9647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0a89e3c30f6e4d4c5db4378b05d987.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1677a6b74dc0182296d2fb525ce564b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9656735f55e5de465e5667ba578d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc49a26cb0c64cea942bff447becfdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7555cd38f338e8758f5f73e10c08dc0a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc58c62444bf42a25289c45425a00f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b752f0f189e5d8666daea73e145dff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112f9185c7d48b015d9cd0525616b31.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba380c2fbc3e6c45bb1dc28a15e219a.png)
(二)极点与极线的基本性质、定理
①当P在圆锥曲线G上时,其极线l是曲线G在点P处的切线;
②当P在G外时,其极线l是曲线G从点P所引两条切线的切点所确定的直线(即切点弦所在直线);
③当P在G内时,其极线l是曲线G过点P的割线两端点处的切线交点的轨迹.
结合阅读材料回答下面的问题:
(1)已知椭圆C:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/860884c0017c8bceb5b0edff796c144f.png)
(2)已知Q是直线l:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0bbd45a300cd506c9d2bbf8f6ac3498.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/940f1047bde206726ab05cfd6785067d.png)
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2023-02-19更新
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1354次组卷
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6卷引用:贵州省贵阳市普通中学2022-2023学年高二上学期期末监测考试数学试题
贵州省贵阳市普通中学2022-2023学年高二上学期期末监测考试数学试题(已下线)第五篇 向量与几何 专题5 调和点列 微点4 调和点列综合训练(已下线)重难点突破18 定比点差法、齐次化、极点极线问题、蝴蝶问题(四大题型)(已下线)专题22 新高考新题型第19题新定义压轴解答题归纳(9大题型)(练习)辽宁省名校联盟2023-2024学年高二下学期4月联合考试数学试卷河南省信阳市新县高级中学2024届高三4月适应性考试数学试题
解题方法
3 . 已知曲线C:
,从曲线C上的任意点
作压缩变换
得到点
.
(1)求点
所在的曲线E的方程;
(2)设过点
的直线
交曲线E于A,B两点,试判断以AB为直径的圆与直线
的位置关系,并写出分析过程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d61985901c2bc698d72ac88f4e1eb65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee82283f06cedef32eb15b87964f5d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204dbf02042c70400b167d2d04fd1a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3682b5a7157ec7cf8b265bf0d1025c.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c3682b5a7157ec7cf8b265bf0d1025c.png)
(2)设过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e7422cbdb4ad06d155abb2ccdb25ded.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/639c3d2ff5ee566fcc1b69c65712a661.png)
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解题方法
4 . 已知直线
交椭圆
于
,
两点,
是直线
上一点,
为坐标原点,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ab466aedd6e176088d8dee7bc3e3aaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2242ca20bd7ab3d41b128e10a4071521.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
A.椭圆![]() ![]() |
B.![]() |
C.![]() |
D.若![]() ![]() ![]() ![]() |
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2023-01-15更新
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2卷引用:2023年普通高等学校招生全国统一考试·新高考仿真模拟卷数学(六)
名校
解题方法
5 . 过椭圆
上任意一点
作直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7969433bebd2ba7674b252c07fb748ac.png)
(1)证明:
;
(2)若
为坐标原点,线段
的中点为
,过
作
的平行线
与
交于
两点,求
面积的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279cefeb5c389a37a71e5fd3925f5954.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7969433bebd2ba7674b252c07fb748ac.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3445ebc16cef660175c86738f08d5c03.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31da99490e114c0df610b3f8bbb045ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac2aa8640b04fc3cb953eb5b21ec8f91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a855335176fc36a15017f50a8561348.png)
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5卷引用:顶尖计划河南省2023届高三上学期第一次考试数学理科试题
顶尖计划河南省2023届高三上学期第一次考试数学理科试题顶尖计划河南省2023届高三上学期第一次考试文科数学试题(已下线)专题4 求面积运算(提升版)(已下线)考向37 圆锥曲线中的范围、最值问题(重点)河南省洛阳市新安县第一高级中学2022-2023学年高三上学期9月阶段诊断性考试数学(理数)试题
6 . 已知动点P到直线
的距离是P到点
距离的2倍,点P的轨迹记为C.
(1)证明:存在点
,使得
为定值.
(2)过点F且斜率
的直线l与C交于A,B两点,M,N为x轴上的两个动点,且
,
,若
,求k.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f23d29646155e27b172ecdf263e2d702.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ba2238d6afe0187534155dd9ac48c6.png)
(1)证明:存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f8e55590555905eb4f57889bbd16e39a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17ed50b7ddc736c4a2fad6a58135e03f.png)
(2)过点F且斜率
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d99e9ab44437147165c319705daad0fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/339f691f01e9fb0e30570d5daad31002.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0dc4ea85e09c94960e4f1c20657e117.png)
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2023-01-09更新
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4卷引用:青海省西宁市大通回族土族自治县2023届高三一模数学(理)试题
名校
7 . 已知中心为坐标原点,焦点在坐标轴上的椭圆
经过点
,
.
(1)求
的方程;
(2)已知点
,直线
与
交于
两点,且直线
的斜率之和为
,证明:点
在一条定抛物线上.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f94718313450e8a66d1fd47728891375.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c59b8c8470f9eb1d2686f5287991b59.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b671cdde6baf9ab577330696ca8ff121.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f4d9dc481eb068489c6fb35d47aadac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342ba1917a6b854ad111a3e6f5514934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/808426112792e9a80a06f611b60827a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5445b4183917494ad8aa1731073dd1d5.png)
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2022-12-20更新
|
697次组卷
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5卷引用:山西省部分学校2023届高三上学期12月联考数学试题
解题方法
8 . 已知椭圆
的左、右焦点分别为
,直线l的斜率为k,在y轴上的截距为m.
(1)设
,若
的焦距为2,l过点
,求l的方程;
(2)设
,若
是
上的一点,且
,l与
交于不同的两点A、B,Q为
的上顶点,求
面积的最大值;
(3)设
是l的一个法向量,M是l上一点,对于坐标平面内的定点N,定义
.用a、b、k、m表示
,并利用
与
的大小关系,提出一个关于l与
位置关系的真命题,给出该命题的证明.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0c118b51ab426bc1c1b56179094f146.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5095a28bb1b91bf6bed9e2cfbd76bb18.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd876a2ed79c64bacc3e64b8ee92735e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59a7a78a0cb55d2396f7213432a86b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/662ad7f6a6c6a3d97ebdc5017b17fe8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b17f20c25bb16153b5f2d25062ed7a7.png)
(3)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b8a88a16125366536cb4ad658e0cf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a1cee4fed65dd5d20c089810266653.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0970b6eed4ca40fa4ecfbed448615cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0970b6eed4ca40fa4ecfbed448615cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a881309775c3b6a9f4ed408838666342.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b94469fd19f40116e2dec334919d6586.png)
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2022-11-25更新
|
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5卷引用:上海市虹口区2023届高三上学期11月适应性测试数学试题
上海市虹口区2023届高三上学期11月适应性测试数学试题上海海洋大学附属大团高级中学2023届高三上学期12月月考数学试题(已下线)高二下期中真题精选(易错46题专练)-【满分全攻略】2022-2023学年高二数学下学期核心考点+重难点讲练与测试(沪教版2020选修一+选修二)(已下线)专题22 新高考新题型第19题新定义压轴解答题归纳(9大题型)(练习)(已下线)大招4 圆锥曲线创新问题的速破策略
9 . 已知点
分别为椭圆
的左、右焦点,直线
与椭圆
有且仅有一个公共点,直线
,垂足分别为点
.
![](https://img.xkw.com/dksih/QBM/2022/6/23/3007462180782080/3008755233570816/STEM/3f3781b1c1e648a78e380f6ee65b152c.png?resizew=412)
(1)求证:
;
(2)求证:
为定值,并求出该定值;
(3)求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c38928a92bc4b44ed3c9b89769f5372.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c8377df6ca3008270ea82927c3b5a34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c287201dc8f4b7e1a8dd41920654656.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ae50196f4862bbfdfa8bbfd32ef02be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://img.xkw.com/dksih/QBM/2022/6/23/3007462180782080/3008755233570816/STEM/3f3781b1c1e648a78e380f6ee65b152c.png?resizew=412)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0354d888ad687a11009e40b654d1313f.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f58272384b688bb53fe38abef3d93e.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a499dec7eebd81af41ea43cc6f2d6da.png)
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2022-06-25更新
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9卷引用:上海市闵行区2022届高考二模数学试题
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名校
10 . 将曲线
(
)与曲线
(
)合成的曲线记作
.设
为实数,斜率为
的直线与
交于
两点,
为线段
的中点,有下列两个结论:①存在
,使得点
的轨迹总落在某个椭圆上;②存在
,使得点
的轨迹总落在某条直线上,那么( ).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80a47fd46072cd717442cb378d431ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6fdca98f051334f93de1defecc41b356.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/321b2d0b08e09a3ca2d98bde8c2718cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab0986d3184ab858e12a822937805b79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
A.①②均正确 | B.①②均错误 |
C.①正确,②错误 | D.①错误,②正确 |
您最近一年使用:0次
2022-06-23更新
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1188次组卷
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10卷引用:上海市黄浦区2022届高考二模数学试题
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