解题方法
1 . 已知正方体
的棱长为2,
分别为
的中点.
![](https://img.xkw.com/dksih/QBM/2021/3/9/2674139275198464/2677682265489408/STEM/1e7eb36395414108a4e9749b4856e6e6.png?resizew=260)
(1)画出平面
截正方体各个面所得的多边形,并说明多边形的形状和作图依据;
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b199a99e53d67ff4abf233930961a29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21de25a662ba9e513dee5d6e34cb237.png)
![](https://img.xkw.com/dksih/QBM/2021/3/9/2674139275198464/2677682265489408/STEM/1e7eb36395414108a4e9749b4856e6e6.png?resizew=260)
(1)画出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffe8a84ca3a13f82aff1a022edc66065.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe5cf7b987c8da3b08450400484db716.png)
您最近一年使用:0次
2021-03-14更新
|
736次组卷
|
4卷引用:广西桂林、崇左市2021届高三二模数学(理)试题
广西桂林、崇左市2021届高三二模数学(理)试题(已下线)专题36 仿真模拟卷04-2021年高考数学二轮复习热点题型精选精练(新高考地区专用)(已下线)精做04 立体几何-备战2021年高考数学(理)大题精做宁夏银川市贺兰县景博中学2021届高三下学期二模数(理)试题
名校
解题方法
2 . 如图,直四棱柱
的底面
为直角梯形,
,
,
,
,
、
分别为棱
、
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/e41ff8de-2807-44bc-a978-37a601f7a5b6.png?resizew=183)
(1)在图中作出平面
与该棱柱的截面图形,并用阴影部分表示(不必写出作图过程);
(2)
为棱
的中点,求异面直线
与
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6037bba27008abc96a6dba99753549ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/da9db73dad37a8a07a7ccc49101db545.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d262480ffb55b7617f44b63f130c154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/28/e41ff8de-2807-44bc-a978-37a601f7a5b6.png?resizew=183)
(1)在图中作出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a8035fc825a001d7d9a3dacd8271662.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd5b5d9bed01632b26ab881deab2afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
您最近一年使用:0次
名校
解题方法
3 . 如图多面体
中,面
面
,
为等边三角形,四边形
为正方形,
,且
,
、
分别为
、
的中点.
![](https://img.xkw.com/dksih/QBM/2021/5/16/2722164997160960/2761320622317568/STEM/085ce249526c498d8827e0ed61295117.png?resizew=230)
(1)做出平面
与平面
的交线,记该交线与直线
交点为
,则
的值是多少?(不需说明理由,保留作图痕迹);
(2)求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1056cd2db035cbfcce4935ffec20030a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eaceb8d6c6927e14d9ac7a557a2b11d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d459cad63e3cd2aba10862800fa4832.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bbebf3b4b4f58588abd4d909f287011.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eedae8d316c76e3d0b451256de03fb9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://img.xkw.com/dksih/QBM/2021/5/16/2722164997160960/2761320622317568/STEM/085ce249526c498d8827e0ed61295117.png?resizew=230)
(1)做出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1828e73ec5e00f95aa11ff74c703a5c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41ab40260ac9056153d14d70d2519371.png)
(2)求二面角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d9b93a16e12288832564c6ffe82151e.png)
您最近一年使用:0次
2021-07-10更新
|
341次组卷
|
8卷引用:安徽省马鞍山市2021届高三下学期第三次教学质量监测理科数学试题
安徽省马鞍山市2021届高三下学期第三次教学质量监测理科数学试题江苏省泰州中学2021届高三下学期四模数学试题安徽省示范高中培优联盟2020-2021学年高二下学期春季联赛理科数学试题(已下线)专题1.11 空间向量与立体几何大题专项训练(30道)-2021-2022学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)专题24 立体几何解答题最全归纳总结-2(已下线)专题08 立体几何解答题常考全归类(精讲精练)-1(已下线)重难点突破06 立体几何解答题最全归纳总结(九大题型)-2(已下线)专题15 立体几何解答题全归类(练习)
解题方法
4 . 用平行于圆锥底面的平面截圆锥,截面与底面之间的几何体称为圆台,也可称为“截头圆锥”.在如图的圆台
中,上底面半径为
,下底面半径为
,母线长为
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/dcbeb60f-10fe-4a9c-862d-16cfa7d0a6b9.png?resizew=177)
(I)结合圆台的定义,写出截面
的作图过程;
(II)圆台截面
与截面
是两个全等的梯形,若
,求二面角
的平面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abbe2aba242716238b79c46bb1f40e88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/16/dcbeb60f-10fe-4a9c-862d-16cfa7d0a6b9.png?resizew=177)
(I)结合圆台的定义,写出截面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
(II)圆台截面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ecc1cb55a57dde481f8dd07ab150676.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19bebae04c72b934bfbbf0b4d01f164f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/213d25b5ade550ec6afd3536e9eb5d75.png)
您最近一年使用:0次
名校
解题方法
5 . 如图,直四棱柱
的底面
为直角梯形,
,
,
,
,
,
分别为棱
,
的中点.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/0eeb0e30-ea01-43c9-8107-1f89ea74f8f1.png?resizew=211)
(1)在图中作出平面
与该棱柱的截面图形,并用阴影部分表示(不必写出作图过程);
(2)
为棱
的中点,求异面直线
与
所成角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10df84d553a8826a7ce9bff4bf0d95b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce0d7095ddd69d6ceaf1065b1bc2c79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/258f8e9f45a2b3e11d1513f23315feeb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d262480ffb55b7617f44b63f130c154a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/25/0eeb0e30-ea01-43c9-8107-1f89ea74f8f1.png?resizew=211)
(1)在图中作出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdcf0dadb80d0d4201cc4fd16479b7d9.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6dd5b5d9bed01632b26ab881deab2afa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
您最近一年使用:0次
2020-09-16更新
|
700次组卷
|
2卷引用:辽宁省大连市第一中学2021-2022学年高二上学期10月月考数学试题
名校
解题方法
6 . 如图,四边形
是正方形,
平面
,
,
,
在线段
上.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/dee0013d-4a39-4b68-af36-65913fee0109.png?resizew=141)
(1)若
平面
,请在图中画出点
,保留作图痕迹,并说明理由.
(2)是否存在点
,使得
与平面
所成角的正弦值为
,若存在,求出
;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ed04b01505bbd8a4ac0bc12e46f23bf6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/180868535d96d800625148a03a33e9d3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bcf55cb4ea16c17f20e02190ffdff07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/dee0013d-4a39-4b68-af36-65913fee0109.png?resizew=141)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d30788a482598e638aea779ac14da12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3df5935c893580c77ab6fa6eb0a70bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)是否存在点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a541b81584a032f571159ea152c85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6261790c66cc71ee3898afabad0c09f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83303d3784492506fc44f2b4d6b07bc1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383c681f398877a4589a389d19a0f2e6.png)
您最近一年使用:0次
名校
解题方法
7 . 如图,在棱长为2的正方体
中,
为棱
的中点,
,
分别是棱
,
上的动点(不与顶点重合).
![](https://img.xkw.com/dksih/QBM/2021/11/29/2861864413462528/2874316998737920/STEM/1f194ed5527b4c139b2ee3bd33a6b6c8.png?resizew=182)
(1)作出平面
与平面
的交线(要求写出作图过程),并证明:若平面
平面
,则
;
(2)若
为棱
的中点,是否存在
,使平面
平面
,若存在,求出
的所有可能值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56f7ba05c54b3de1f4378f7c8eb58328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://img.xkw.com/dksih/QBM/2021/11/29/2861864413462528/2874316998737920/STEM/1f194ed5527b4c139b2ee3bd33a6b6c8.png?resizew=182)
(1)作出平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9abb06405623edb5c9d5f7350d79dc76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee8b5a6dbcf05f572f83f51abf7d668c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/723fee86afab63b4aa7c826e19d6954a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48d47e5be88e89d0d042c56d2d6942b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3709c4a29868ca0913bbffe73e8aaf43.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/895dc3dc3a6606ff487a4c4863e18509.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ee2fa962e94c95769f29027ca71dd68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e71defc7ee294da7b05b7c32728ec4a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d0a36f8412d05e2a501cf3c5bdffd3a.png)
您最近一年使用:0次
名校
8 . 某同学利用图形计算器研究教材中一例问题“设点
,
,直线
,
相交于点M,且它们的斜率之积为
,求点M的轨迹方程”时,将其中已知条件“斜率之积为
”拓展为“斜率之积为常数
”之后,进行了如图所示的作图探究:
![](https://img.xkw.com/dksih/QBM/2021/1/27/2645089272954880/2651693900840960/STEM/3d217257-3ca3-4ff8-9d6b-5c848d6d0799.png?resizew=195)
![](https://img.xkw.com/dksih/QBM/2021/1/27/2645089272954880/2651693900840960/STEM/6a6a6eb1-633d-48bd-9799-9be0469f6918.png?resizew=200)
![](https://img.xkw.com/dksih/QBM/2021/1/27/2645089272954880/2651693900840960/STEM/f74ddd64-f2df-496e-8e44-8a8665a02e35.png?resizew=190)
参考该同学的探究,下列结论正确的有:( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d71fb4d3db6c9922d3b605a6d40e529.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54fe2c124d5bbbbe666ee145cd454b6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e69d2b798744645af88a4fa411344a83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b889efe020137b112bfafaa8e0becda4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b889efe020137b112bfafaa8e0becda4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2799abb64fd7bfce9dfa7228aa460564.png)
![](https://img.xkw.com/dksih/QBM/2021/1/27/2645089272954880/2651693900840960/STEM/3d217257-3ca3-4ff8-9d6b-5c848d6d0799.png?resizew=195)
![](https://img.xkw.com/dksih/QBM/2021/1/27/2645089272954880/2651693900840960/STEM/6a6a6eb1-633d-48bd-9799-9be0469f6918.png?resizew=200)
![](https://img.xkw.com/dksih/QBM/2021/1/27/2645089272954880/2651693900840960/STEM/f74ddd64-f2df-496e-8e44-8a8665a02e35.png?resizew=190)
参考该同学的探究,下列结论正确的有:( )
A.![]() |
B.![]() |
C.![]() |
D.![]() |
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8卷引用:重庆市部分区2020-2021学年高二上学期期末联考数学试题
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9 . 一种画双曲线的工具如图所示,长杆OB通过O处的铰链与固定好的短杆OA连接,取一条定长的细绳,一端固定在点A,另一端固定在点B,套上铅笔(如图所示).作图时,使铅笔紧贴长杆OB,拉紧绳子,移动笔尖M(长杆OB绕O转动),画出的曲线即为双曲线的一部分.若|OA|=10,|OB|=12,细绳长为8,则所得双曲线的离心率为( )
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/33da8c9a-b96d-4635-8914-658eeefbcca5.png?resizew=177)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/8/33da8c9a-b96d-4635-8914-658eeefbcca5.png?resizew=177)
A.![]() | B.![]() | C.![]() | D.![]() |
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2019-01-17更新
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6卷引用:苏教版(2019) 选修第一册 突围者 第3章 第二节 课时2 双曲线的几何性质
苏教版(2019) 选修第一册 突围者 第3章 第二节 课时2 双曲线的几何性质(已下线)专题6.2 期中押题检测卷(考试范围:第1-3章)2(中)-【满分计划】2021-2022学年高二数学阶段性复习测试卷(苏教版2019选择性必修第一册) 北京交通大学附属中学2022届高三12月月考数学试题【区级联考】北京市丰台区2019届高三第一学期期末考试数学(理)试题【市级联考】辽宁省沈阳市郊联体2019届高三第一次模拟考试数学(理科)试题2023版 苏教版(2019) 选修第一册 突围者 第3章 第二节 课时2 双曲线的几何性质
10 . 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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15卷引用: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
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)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)(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(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)专题37平面解析几何解答题(第一部分)