1 . 已知
是圆
上的动点,
为定点,线段
的垂直平分线交线段
于点
,点
的轨迹为曲线
.
(1)求曲线
的方程;
(2)过点
的动直线
交曲线
于不同的A,B两点,
为线段
上一点,满足
,证明:点
在某定直线上,并求出该定直线的方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd90fb00c0ffeaed8b9448e3a043f2c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b707fdf035eb2fb4467958893c60381f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc5adb5eb60ae4435a12d93854066298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3ba9d9535a1d7e34f66db9da0861394.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a3f2e9c21be0d3b6dea179d01fab006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
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解题方法
2 . 已知椭圆
的方程为
(常数
),点A为椭圆短轴的上顶点,点
是椭圆
上异于点A的一个动点.若动点
到定点A的距离的最大值仅在
点为短轴得另一顶点时取到,则称此椭圆为“圆椭圆”,已知
.
(1)若
,判断椭圆
是否为“圆椭圆”;
(2)若椭圆
是“圆椭圆”,求
的取值范围;
(3)已知椭圆
是“圆椭圆”,且
取最大值,点
关于原点
的对称点为点
(点
也异于点A),且直线
、
分别与
轴交于
、
两点.试问以线段
为直径的圆是否过定点?证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7aea48c44781a844b5c19191f70f61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a0c4c098615c6bc7e6dcf72e5b5201a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab839d8569171afab5ed55c22013aa72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)若椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)已知椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84d454c82d9e52747563d47b68099249.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
2023-04-13更新
|
286次组卷
|
2卷引用:上海市控江中学2022-2023学年高二下学期3月月考数学试题
3 . 设
,
是平面直角坐标系xOy上的两点,现定义由点A到点B的一种折线距离
为
.对于平面xOy上给定的不同的两点
,
.
(1)若点
是平面xOy上的点,试证明:
.
(2)在平面xOy上是否存在点
,同时满足:①
;②
?若存在,请求出所有符合条件的点;若不存在,请予以证明.
![](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/5191ea78656cad7ca36ea6016cc7c7ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afd1f1df97da3fbbbe23b95b6c6aca6f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12a3efb79f35db8448f3391252ab7d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8df332f01628130c084fd46aaca0a4b7.png)
(1)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9a016fd7021b9e9625c8d5f0938ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/220906577d5afa0c3dd259c88d8b9ced.png)
(2)在平面xOy上是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca9a016fd7021b9e9625c8d5f0938ad6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/893bbe22c8c561d4b5762655db569610.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57a895dec6f0789295ceb0b6a2f7f431.png)
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4 . 记集合
,对于
定义:
为由点
确定的广义向量,
为广义向量的绝对长度,
(1)已知
,计算
;
(2)设
,证明:
;
(3)对于给定
,若
满足
且
,则称
为
中关于
的绝对共线整点,已知
,
①
中关于
的绝对共线整点的个数为______;
②若从
中关于
的绝对共线整点中任取
个,其中必存在4个点
,满足
,则
的最小值为______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9439d3408c2d06220487d9a226961a30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a421bfe77141cd71759be02ae26d4b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6870f397a858ad814f76f6e7af90516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2f4f1c351f31ebaf5558a9692523c21.png)
(1)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0e678613f60b4b5e423f59d45aa367a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6c18d9dc9df21997b4277d10a448b3f.png)
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7ae313593dc2df564fc152927c3b496.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/30021ecc45f6b6db7617e1e1f8c04226.png)
(3)对于给定
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed821ca1553d21ed1617c8d0750ac12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf36a4d8169677032b46017ea74bc98a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58d8f8361bd75bebff8e8fd7a560b189.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/478510de7950f6e4b13b87ec685dc042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305992016871e75864ad17004e38e95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6688ba1637480fbffb3084eb5318de2b.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7107818eb9768a9a0c177468457754b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
②若从
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7107818eb9768a9a0c177468457754b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa2dde3ce763c601866d3e46616e0315.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aae0cc30075fa3bac6dc660a57d93ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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5 . 若实数x,y,m满足
,则称x比y更远离m.
(1)若
比
更远离1,求实数x的取值范围;
(2)判断
是x比y更远离m的什么条件(充分不必要条件,必要不充分条件,充要条件,既不充分也不必要条件),并加以证明;
(3)已知
,
,若
,证明:p比
更远离
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ac70c3907d7164bfdf41d678e1e474f.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38c3fa8692612e51579e3cef22fd8c4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1d2e5599453f8d4c04369bc8f79962.png)
(2)判断
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f3302993bca7cdffbacf0bc901be33.png)
(3)已知
![](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/6d30cc1830635d3faf310c7c3526ee88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf298f00799cbf34b4db26f5f63af92f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
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6 . 已知双曲线
,点
的坐标为
,过
的直线
交双曲线
于点
.
(1)若直线
又过
的左焦点
,求
的值;
(2)若点
的坐标为
,求证:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9407dd040f0fc6216e18f9b28bc45d59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e56c488c54149b98d84a7994e124e28.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd00b66dc57d147e31d6271068e50c36.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/973e19ae87ea52f2cfcd41be27aeec56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3cd639d381fb8f5675d8528ef19e0ae.png)
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2021-11-05更新
|
1530次组卷
|
5卷引用:江苏省南通市如皋市2021-2022学年高三上学期教学质量调研(一)数学试题
(已下线)江苏省南通市如皋市2021-2022学年高三上学期教学质量调研(一)数学试题(已下线)专题29 圆锥曲线求定值七种类型大题100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)(已下线)专题4 圆锥曲线的综合应用-学会解题之高三数学321训练体系【2022版】第3章 圆锥曲线与方程 单元检测卷新疆乌鲁木齐第六十一中学2023-2024学年高二上学期11月期中考试数学试题
7 . 已知抛物线
(
)的顶点为
,直线
与拋物线
的交点(异于点
)到点
的距离为
,
(1)求
的标准方程;
(2)过点
作斜率为
(
)的直线
与
交于点
(异于点
),直线
关于直线
对称的直线
与
交于点
(异于点
),求证:直线
过定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7df40ba57bb5819b4aaa38d514500052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd313d4e92a762fb7fb0c1cb65263d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e2031d209711b058f3d278ede3c1d33.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0d68648b10fce54dfc19c5ee60086d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
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8 . 在平面直角坐标系
中,原点为
,抛物线
的方程为
,线段
是抛物线
的一条动弦.
(1)求抛物线
的准线方程;
(2)求
,求证:直线
恒过定点;
(3)过抛物线的焦点
作互相垂直的两条直线
、
,
与抛物线交于
、
两点,
与抛物线交于
、
两点,
、
分别是线段
、
的中点,求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42102c1c07562853219ca5918803a27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求抛物线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61cfc930bd4c103e11d75917c6fba49b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
(3)过抛物线的焦点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f6f17bc385bafb37e8f964e5eb99cd0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.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/3f6f17bc385bafb37e8f964e5eb99cd0.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecfb02e157819a2bdd0f2790cbc825e9.png)
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3卷引用:上海市浦东新区2020-2021学年高二下学期期中数学试题
上海市浦东新区2020-2021学年高二下学期期中数学试题广东省普宁市第二中学2022届高三上学期第一次月考数学试题(已下线)专题03 圆锥曲线面积问题-【解题思路培养】2022年高考数学一轮复习解答题拿分秘籍(全国通用版)
9 . 已知集合
(
),对于
,
,定义A与B的差为
(
,
,…,
);A与B之间的距离为
=
+
+…+
.
(1)若
写出所有可能的A,B;
(2)
,证明:
;
(3)
,证明:
三个数中至少有一个是偶数.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/249c52d9fcf60e57488e0a445cbea334.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4806d781143f3a4f6913a908236ff768.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c296ca3714cdc24a1bc801a9e74132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c8255934bd15b47d63f8cb91582dda7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26dabfa98f8b7072eea4f5247f6322ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73243ec0bb03bbc1fd3980414470619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e8d01f43224360693bbd8e0f9ad5e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce4a2681390214200443ae07c01a4abe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26dabfa98f8b7072eea4f5247f6322ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e73243ec0bb03bbc1fd3980414470619.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61e8d01f43224360693bbd8e0f9ad5e3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c8938d7cfa5e82d83e22a8d1be1831f.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5318f129bfbfca89f51c03144251ce79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8513f18376e4e456b939d0f1cdb6e602.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5318f129bfbfca89f51c03144251ce79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8430e22ff50167e4de289cc378c0bc3f.png)
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3卷引用:上海市松江区松江一中2020-2021学年高一上学期期中数学试题
上海市松江区松江一中2020-2021学年高一上学期期中数学试题(已下线)2024年1月普通高等学校招生全国统一考试适应性测试(九省联考)数学试题变式题16-19山西省山西大学附属中学校2024届高三下学期第一次月考数学试题
10 . 已知集合
,定义
上两点
,
的距离
.
(1)当
时,以下命题正确的有__________(不需证明):
①若
,
,则
;
②在
中,若
,则
;
③在
中,若
,则
;
(2)当
时,证明
中任意三点
满足关系
;
(3)当
时,设
,
,
,其中
,
.求满足
点的个数
,并证明从这
个点中任取11个点,其中必存在4个点,它们共面或者以它们为顶点的三棱锥体积不大于
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e6e27cd0d29904d30e9ce072ddecba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305992016871e75864ad17004e38e95e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38571677d95dba51665ab4d260cba322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f71f720b0e498f397ccdd813649f661.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c267471981116d4f1efafbdb5d8a307a.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
①若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/115a0c87ac14dbb770c95d74d6e26073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/567fc6dde8cea2eccafe83048ed9b650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8758b01cebe286da8592711f614892.png)
②在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a69550d878381f6e8fb436e88638f070.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f719247e33edb2ba0875bff623aa44e.png)
③在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc652b835cd24e3be0199b15ebd8e03a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4354365ca0929f8a606ed0bf341e4ca.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c85067c53e936ef32da818efe04bdbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c0ae8e92dd3119d41f2c830ea526516.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1898f935cafa18dc3e7ea4cea8b46df.png)
(3)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a42bc893aeabafad84da3e66e73f885.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58dcb69f052798e9238906eb18031a0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1b82ad92798b264062c062f4a9a1a5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/425441b4af79a5a41483d1fccf596240.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c7135c6c4b5aa75a8efa8171dbba42b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a391005600bdd69c96750589f9adb048.png)
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