名校
解题方法
1 . 已知点
和圆
上两个不同的点
,
,满足
,
是弦
的中点,
给出下列四个结论:
①
的最小值是4;
②点
的轨迹是一个圆;
③若点
,点
,则存在点
,使得
;
④△
面积的最大值是
.
其中所有正确结论的序号是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bacfc149ede71417fa599c21b5a84cb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/549c9945f38d44a7cb19ad4441e2095a.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/3cb4eb87fd9c474fea913e4b68818abd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
给出下列四个结论:
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a5a8db58bd15f74962521398f276c23.png)
②点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
③若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8dc58a15b3d1e7e7985efdfb2282f28.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8148a45d42e764fdebaf85dff82b28a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7900d77797c7d97ea016771cb9075de1.png)
④△
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39bfd8e9f2f08a5807a23677988b240b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a47bc441729ea85eb6626086fe59502.png)
其中所有正确结论的序号是
您最近一年使用:0次
2022-01-16更新
|
3057次组卷
|
9卷引用:2.1.4 圆与圆的位置关系(十大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)
(已下线)2.1.4 圆与圆的位置关系(十大题型)(分层练习)-2023-2024学年高二数学同步精品课堂(沪教版2020选择性必修第一册)北京市丰台区2022届高三上学期数学期末练习试题(已下线)必刷卷02-2022年高考数学考前信息必刷卷(新高考地区专用)北京市朝阳区2022-2023学年高二上学期11月期中考试数学试题北京市清华大学附属中学2022-2023学年高二上学期期末数学试题湖南省张家界市民族中学2023-2024学年高二上学期第二次月考数学试题北京市第五十五中学2023-2024学年高二上学期12月月考数学试卷(已下线)难关必刷03圆的综合问题-【满分全攻略】2023-2024学年高二数学同步讲义全优学案(人教A版2019选择性必修第一册)(已下线)第4题 直线与圆相切的最值问题(压轴小题)
名校
解题方法
2 . 已知长方体
中,
,
,
,
为矩形
内一动点,设二面角
为
,直线
与平面
所成的角为
,若
,则三棱锥
体积的最小值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcd0ced286a0fbc7e4862f8147264277.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1ac2e11788860424508ea9e80cf89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8d927585a17c2e98ef7d5a9589a26ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/632f2bf1cd0435041fa04b01901d1c8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d399d731913a563e291b817831a0c678.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffa3205b1df826d63914dcb55bb3ab43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc0e87de02d9fe868bed6846f0709c8.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-05-16更新
|
2264次组卷
|
6卷引用:上海市格致中学2023-2024学年高二下学期期中考试数学试题
上海市格致中学2023-2024学年高二下学期期中考试数学试题江西省南昌市2022届高三第三次模拟测试数学(理)试题(已下线)专题23 立体几何中的压轴小题-1(已下线)专题07 立体几何小题常考全归类(精讲精练)-1(已下线)专题7-2 立体几何压轴小题:角度与动点、体积(讲+练)-2(已下线)第二章 立体几何中的计算 专题三 空间体积的计算 微点4 四面体体积公式拓展综合训练【培优版】
名校
3 . 如图,棱长为1的正方体
,点
沿正方形
按
的方向做匀速运动,点
沿正方形
按
的方向以同样的速度做匀速运动,且点
分别从点A与点
同时出发,则
的中点的轨迹所围成图形的面积大小是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8776cb36494afe1f13cfc60099a973b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9961e091f180e964a962adf6916f33c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28af8d2c49057caaff1c1e2c4d5ef7c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bce3d91ca23b86d8c6625f2632e437.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97c01fdc7bc471af0b264a04aef0823e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2022-01-16更新
|
2203次组卷
|
7卷引用:上海市杨浦高级中学2021-2022学年高二上学期期末数学试题
名校
解题方法
4 . 已知正方体
的棱长为3,动点M在侧面
上运动(包括边界),且
,则
与平面
所成角的正切值的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e168672b47d7e64dc1b404f8882c7dcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a84513d4f34ced300ba033741597dd8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5563473602e1b17d582a165b7b7b6b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ebb05874eb3353d754af24c9974273e.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2022-03-24更新
|
2091次组卷
|
10卷引用:上海市青浦高级中学2022-2023学年高二上学期12月质量检测数学试题
上海市青浦高级中学2022-2023学年高二上学期12月质量检测数学试题西南四省名校2022届高三下学期第三次大联考理科数学试题(已下线)查补易混易错点06 立体几何-【查漏补缺】2022年高考数学(理)三轮冲刺过关(已下线)理科数学-2022年高考押题预测卷02(全国甲卷)宁夏平罗中学2022届高三下学期第三次模拟数学(理)试题江苏省连云港市灌云高级中学2021-2022学年高二下学期5月阶段测试数学试题(已下线)第20讲 空间向量与立体几何-2(已下线)专题11空间向量与立体几何必考题型分类训练-2湖南省常德市第一中学2022-2023学年高二下学期期中数学试题河南省部分学校2023届高三押题信息卷(一)理科数学试题
名校
解题方法
5 . 已知曲线
的方程为
,则下列说法中:
①无论
取何值,曲线
都关于原点中心对称;
②无论
取何值,曲线
关于直线
和
对称;
③存在唯一的实数
使得曲线
表示两条直线;
④当
时,曲线
上任意两点间距离的最大值为
;
⑤当
时,曲线
是双曲线.
所有正确的序号是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d522c40836d1ac96a0f28dd2be4064d.png)
①无论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
②无论
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d77f5191798242b7b9b88a75e17e4425.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1d8d5cea065075fe50706abe3ae802.png)
③存在唯一的实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
④当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95bacae35b6e16a0a33c2bdc6bc07df7.png)
⑤当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6455e38ff53ede2508e4d9cb23f0b86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
所有正确的序号是
您最近一年使用:0次
6 . 在平面直线坐标系中,定义
为两点
的“切比雪夫距离”,又设点P及
上任意一点Q,称
的最小值为点P到直线
的“切比雪夫距离”记作
给出下列四个命题:( )
①对任意三点A、B、C,都有![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dccc74eeda89291f3028afe22a755e77.png)
②已知点P(3,1)和直线
则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be025ade9928f2131b2641fa67a829ba.png)
③到原点的“切比雪夫距离”等于
的点的轨迹是正方形;
④定点
动点
满足
则点P的轨迹与直线
(
为常数)有且仅有2个公共点.
其中真命题的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6681dbde777da64b241657f1583c291.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/926101582b7fd6705b0deecc69be8d43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d86b44efe79ae42b7dbafc9ae3b0f4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e1a7d83fe76439c85ea934f92a3e0a2a.png)
①对任意三点A、B、C,都有
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dccc74eeda89291f3028afe22a755e77.png)
②已知点P(3,1)和直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9b035a1eb6289e88b090edccc2ef650.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be025ade9928f2131b2641fa67a829ba.png)
③到原点的“切比雪夫距离”等于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
④定点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6a31cca4844469b38624867a4a4a746.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/379051d5400af1d76194365a687c98f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e650e788c03476266f6dd4b14550ffa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ead6a3dbd03539ef5e0807be57bb1e17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
其中真命题的个数是( )
A.4 | B.3 | C.2 | D.1 |
您最近一年使用:0次
2019-12-09更新
|
3358次组卷
|
6卷引用:上海市建平中学2018-2019学年高二上学期12月月考数学试题
上海市建平中学2018-2019学年高二上学期12月月考数学试题(已下线)专题19 切比雪夫(已下线)第二篇 函数与导数专题5 切比雪夫、帕德逼近 微点3 切比雪夫函数与切比雪夫不等式(已下线)第五篇 向量与几何 专题19 抽象距离 微点4 抽象距离综合训练(已下线)重难点突破03 直线与圆的综合应用(七大题型)(已下线)专题04 直线方程综合应用难题(12题型)-【巅峰课堂】2023-2024学年高二数学上学期期中期末复习讲练测(人教A版2019选择性必修第一册)
名校
7 . 如图所示,正方体
的棱长为1,
分别是棱
的中点,过直线
的平面分别与棱
交于
,设
求:
![](https://img.xkw.com/dksih/QBM/2019/11/6/2328235043495936/2328591902277632/STEM/7fd14571-6498-4d6a-a27c-02f62b2eaf4f.png?resizew=251)
(1)求
与面
所成的角的大小;
(2)求四棱锥
的体积
并讨论它的单调性;
(3)若点
是正方体棱上一点,试证:满足
成立的点的个数为6.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ebecdc0f0f815ff0083d85d3f539b36d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cf9b288c48c73463a2f214f02b6952a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b3c955fa0be5039141f46ee8e9a874.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/193308ab66f6d89298c5764079ff7706.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6670479a0083dd2dfd5ad55b47b1ab6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81c8a190d4efdbb560ce09945cef77fd.png)
![](https://img.xkw.com/dksih/QBM/2019/11/6/2328235043495936/2328591902277632/STEM/7fd14571-6498-4d6a-a27c-02f62b2eaf4f.png?resizew=251)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/207fde4b813c3eadea10c023aa8d463e.png)
(2)求四棱锥
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9676b0b48e4b05fad1fed46273ac63.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b161756ce7d22dfe758c4cb784703aa3.png)
(3)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7416e05fbca7bf4f600a9b81c8f7eb2c.png)
您最近一年使用:0次
8 . 已知直线
交抛物线
于
两点.
(1)设直线
与
轴的交点为
,若
,求实数
的值;
(2)若点
在抛物线
上,且关于直线
对称,求证:
四点共圆:
(3)记
为抛物线
的焦点,过抛物线
上的点
作准线的垂线,垂足分别为点
,若
的面积是
的面积的两倍,求线段
中点的轨迹方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d00a5df9d281dd4e1e45bf6a4d6fb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c64298f6e7554ce11472f2197d45b3.png)
(1)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b68df477b3ee45ac0f725db00d465a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c80fbad05116a915af3af4e8238f790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89dfcc5ea5ad1c0c8aba49ee618d72f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0836482a7ed1109ddd7308ce55b859b.png)
(3)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c49492d424632c63476cd61c0695958.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01ccac4d4eb756702c95b8648c516f50.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/116d9e66bd64091223a331be57aa9c8d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5adccd1dd14171c8c29d4a3836728c0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
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9 . 一种作图工具如图1所示.
是滑槽
的中点,短杆
可绕
转动,长杆
通过
处铰链与
连接,
上的栓子
可沿滑槽AB滑动,且
,
.当栓子
在滑槽AB内做往复运动时,带动
绕
转动一周(
不动时,
也不动),
处的笔尖画出的曲线记为
.以
为原点,
所在的直线为
轴建立如图2所示的平面直角坐标系.
(Ⅰ)求曲线C的方程;
(Ⅱ)设动直线
与两定直线
和
分别交于
两点.若直线
总与曲线
有且只有一个公共点,试探究:
的面积是否存在最小值?若存在,求出该最小值;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/505c6b1bb0214914813bd468e5658abd.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/f33972f039914ebfa9d824c29b1ce058.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/56a73279e3984bf789d920f038332a76.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/01dab6f0505b44b09fe64e1833a4a4ff.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/505c6b1bb0214914813bd468e5658abd.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/56a73279e3984bf789d920f038332a76.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/9927897ec3b34f83b734e2812f0050eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17df11e4f242f1ab2c664127a9cc4274.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02e47bb98258ebfcf1d8ad4bac10b7ba.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/9927897ec3b34f83b734e2812f0050eb.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/01dab6f0505b44b09fe64e1833a4a4ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/9927897ec3b34f83b734e2812f0050eb.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/01dab6f0505b44b09fe64e1833a4a4ff.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/3198a5c7ac1b44c19224417bc21c6725.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/9d5e5b28b9fc41f89792b5e3dfb97d63.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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/13/7c593eff-1103-4bce-9ba1-1a807ac5c37d.png?resizew=337)
(Ⅰ)求曲线C的方程;
(Ⅱ)设动直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b65826e98ba9bea060a68b4a66a2555.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c41bd9a29a1bde0ab8d008769bfd279a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c42b4b5f59cf1e505febfb43f3f4647.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://img.xkw.com/dksih/QBM/2015/6/24/1572139040808960/1572139046526976/STEM/680e72e7474b455bbfe34e88500a3a49.png)
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2016-12-03更新
|
4634次组卷
|
14卷引用:上海市华东师范大学第二附属中学2017-2018学年高三上学期10月月考数学试题
(已下线)上海市华东师范大学第二附属中学2017-2018学年高三上学期10月月考数学试题2015年全国普通高等学校招生统一考试理科数学(湖北卷)2015年全国普通高等学校招生统一考试文科数学(湖北卷)北京市北京一零一中学2019-2020学年高二第一学期期末考试数学试题北京市101中学2019-2020学年上学期高二年级期末考试数学试题(已下线)专题29 圆锥曲线的综合问题-十年(2011-2020)高考真题数学分项安徽省马鞍山市第二中学2020-2021学年高二上学期期末理科数学试题(已下线)专题22 圆锥曲线的“三定”与探索性问题(讲)-2021年高三数学二轮复习讲练测(新高考版)(已下线) 专题26 圆锥曲线的“三定”与探索性问题(讲)-2021年高三数学二轮复习讲练测(文理通用)(已下线)专题23 圆锥曲线中的最值、范围问题 微点1 圆锥曲线中的最值问题贵州省遵义市南白中学2022-2023学年高二下学期第一次联考数学试题(已下线)专题24 解析几何解答题(文科)-4(已下线)专题24 解析几何解答题(理科)-3专题36平面解析几何解答题(第一部分)
解题方法
10 . 已知椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
的左、右焦点分别为
,
, 点
是椭圆的一个顶点,
是等腰直角三角形.
(1)求椭圆
的方程;
(2)设点
是椭圆
上一动点,求线段
的中点
的轨迹方程;
(3)过点
分别作直线
,
交椭圆于
,
两点,设两直线的斜率分别为
,
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b94bd80878c39a2b494686ce94b698b.png)
,探究:直线
是否过定点,并说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.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/b25ce60648ea5042ab5eb5702efe651a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08f9a699aededce0ad803bf8257fbbcb.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)设点
![](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/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
(3)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.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/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b94bd80878c39a2b494686ce94b698b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ec97ad8f3ea5f90911123126884ac58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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