名校
1 . 在四棱锥S﹣ABCD中,已知底面ABCD为菱形,若
.
(1)求证:SE⊥平面ABCD;
(2)若
,设点H满足
,当直线
与平面
所成角的正弦值为
时,求μ的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0246fccd92d78f71992bfa94dab42cf0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/9/ae4feb42-b1f2-4be6-aadc-678ed2d519cb.png?resizew=162)
(1)求证:SE⊥平面ABCD;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e2c0f95b32b8446ac8bdcc7b5be635f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fffa13622ce556d1f685b999d09aa1b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2bc5e50b8dfa02601c70822252854a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241a0445e49d4613991a4ed0f1e6de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e468f168f3657d84d44be5eb89a62d8.png)
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2023-09-07更新
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5卷引用:重庆市第一中学校2023届高三下学期2月月考数学试题
重庆市第一中学校2023届高三下学期2月月考数学试题重庆市万州第二高级中学2023-2024学年高二上学期10月月考数学试题黑龙江省大庆市大庆实验中学2023-2024学年高二上学期10月月考数学试题(已下线)考点12 空间角 2024届高考数学考点总动员【练】(已下线)通关练03 用空间向量解决距离、夹角问题10考点精练(58题) - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教A版2019选择性必修第一册)
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2 . 如图,
是半球
的直径,
是底面半圆弧
上的两个三等分点,
是半球面上一点,且
.
(1)证明:
平面
:
(2)若点
在底面圆内的射影恰在
上,求直线
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c6eff038537d5fdae6e9741e2bd9dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36fa06464d2e58b414c503be9bcc711e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/23/1f60f440-52e0-4583-9354-fe09c0390742.png?resizew=181)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45fbffb9e2c7fa7c5006cde8da0cabe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c745df4f226027778d5fe45b6501b822.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e9f7d1272b7344346b58b660aa260a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
您最近一年使用:0次
2023-11-22更新
|
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9卷引用:重庆市缙云教育联盟2024届高三下学期2月月度质量检测数学试题
重庆市缙云教育联盟2024届高三下学期2月月度质量检测数学试题江苏省淮安、南通部分学校2023-2024学年高三上学期11月期中监测数学试题江苏省启东市2023-2024学年高三上学期期中质量监测数学试卷(已下线)模块六 全真模拟篇 拔高2 期末终极研习室(2023-2024学年第一学期)高三(已下线)第六套 九省联考全真模拟山东省菏泽市2024届高三上学期期末考试数学试题(B)(已下线)模块六 立体几何(测试)江苏省南通市海门中学2023-2024学年高二下学期3月阶段练习数学试卷江苏省南通市海安高级中学2023-2024学年高二下学期阶段检测(一)数学试题
名校
3 . 在四棱锥
中,底面
为直角梯形,
,侧面
底面
,且
分别为
的中点.
![](https://img.xkw.com/dksih/QBM/2023/10/8/3341676195610624/3343571445637120/STEM/8c9d4a3512b84c698d004ffdebcf1f10.png?resizew=144)
(1)证明:
平面
;
(2)若直线
与平面
所成的角为
,求平面
与平面
的夹角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70c66b94f6bc54b0c75063052410cb4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aa9084b8fe0fe05c4388d1f835587b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e97bf689a8ad7304c9899f6271dfb7d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa713e7c111c50a3404e12303fd6e0d2.png)
![](https://img.xkw.com/dksih/QBM/2023/10/8/3341676195610624/3343571445637120/STEM/8c9d4a3512b84c698d004ffdebcf1f10.png?resizew=144)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b78172568aac9805d2ea2d5f742bf80c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fb26d84907c923278ac4626a9d58947.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
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2023-10-11更新
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22卷引用:重庆市渝北中学2023届高三上学期9月月考数学试题
重庆市渝北中学2023届高三上学期9月月考数学试题江苏省百校联考2022-2023学年高三上学期第一次考试数学试题(已下线)9.6 立体几何与空间向量专项训练河北省石家庄市十五中2022-2023学年高二上学期第一次月考数学试题山东省青岛第六十七中学2022-2023学年高二上学期期中数学试题湖北省重点中学4G+联合体2022-2023学年高二上学期期中数学试题湖北省武汉市第十九中学2023届高三上学期11月线上月考数学试题(已下线)模块五 倒数第7天 立体几何湖北省武汉市重点中学4G+联合体2022-2023学年高二上学期期中联考数学试题新疆克拉玛依市高级中学2022-2023学年高三下学期第一次闭环检测理科数学试题四川省成都市成都市第七中学2023-2024学年高二上学期10月月考数学试题福建省福州十五中、格致鼓山中学、教院二附中、福州铜盘中学、福州十中2023-2024学年高二上学期期中联考数学试题四川省遂宁市射洪中学校2023-2024学年高二强基班上学期11月月考数学试题广东省揭阳市惠来县第一中学2023-2024学年高二上学期期中数学试题福建省厦门市湖滨中学2024届高三上学期期中考试数学试题山西省实验中学2023-2024学年高二上学期期中数学试题辽宁省沈阳市五校协作体2023-2024学年高二上学期期中考试数学试题湖南省张家界市民族中学2023-2024学年高二上学期期中考试数学试题广东省东莞市七校2023-2024学年高二上学期期中联考数学试题广东省广州市真光中学2023-2024学年高二上学期12月月考数学试题四川省广安第二中学校2023-2024学年高二上学期第二次月考数学试题安徽省蚌埠市2023-2024学年高二上学期1月期末学业水平监测数学试题
4 . 已知
,动点
满足
与
的斜率之积为定值
.
(1)求动点
的轨迹
的方程;
(2)过点
的直线
与曲线
交于
两点,且
均在
轴右侧,过点
作直线
的垂线,垂足为
.
(i)求证:直线
过定点;
(ii)求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9dc1fd4a7d898e9d7307255cc21678e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ad3a1ea6790177130e16c2124984087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccedd9e7b7f0e54838f58d984519cec6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/56d266a04f3dc7483eddbc26c5e487db.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65368687df4d7e3b9304e85ec4de354c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bcd8ee2d8367c167d6ae0abc741b6b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/132a241ff20784c763b27ab8323a50fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
(i)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b9f0296c53918018745f4e3906e2dd8.png)
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5 . 如图,在正四棱台
中,
.
平面
;
(2)若直线
与平面
所成角的正切值为
,求二面角
的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d134433600df75f2a5d0f35deb2cac90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d7f6f93171329d508d491143b9d71f7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d9a8181f7a7fe7f3fac872ce9534f15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69a8b76e36783a69d14ec54af82c7df0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10af6bf6d158e2d997b7bba250483b16.png)
您最近一年使用:0次
2024-02-20更新
|
1480次组卷
|
3卷引用:重庆市巴蜀中学校2024届高考适应性月考卷(六)数学试题
名校
解题方法
6 . 已知点
,
,动点
与点
,
连线的斜率之积为
.
(1)求点
的轨迹方程;
(2)设直线
,
与直线
分别交于
,
两点,求证:以
为直径的圆过两定点.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913f78382630e50543e5f7192cae3ed3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c850811ba59a05e945a665196539a048.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.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/8b2a698891d42c70b597f0da4f215f09.png)
(1)求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
(2)设直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b384412acba251d87902ab928902f16.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
名校
7 . 如图,在四棱锥
中,
平面
,
且
,
,
,
,
,
为
的中点.
(1)求证:
平面
;
(2)求平面
与平面
所成锐二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.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/833cfda415649b832cc136caed392753.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c1ac2e11788860424508ea9e80cf89d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcc532cfe64300cb3da9e04a307c957a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/4/0efba4c7-dfea-4b9a-a8d7-8175d7f379b8.png?resizew=180)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a041e768d10a0d59d95e1bbef881261.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
(2)求平面
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/852aabd89edffc1b94344ff3f1f31ccd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7b7c83470489253394bd288d7c920df.png)
您最近一年使用:0次
2023-09-03更新
|
1454次组卷
|
10卷引用:重庆南开(融侨)中学2022-2023学年高二上学期线上教学检测数学试题
重庆南开(融侨)中学2022-2023学年高二上学期线上教学检测数学试题天津市红桥区2021届高三下学期二模数学试题江苏省南京市第十二中学2021-2022学年高三上学期8月线上月考数学试题湖北省宜昌市夷陵中学2020-2021学年高二下学期5月阶段性检测数学试题安徽省合肥市第六中学2021-2022学年高二上学期10月单元教学评价数学试题(已下线)专题36 空间向量在立体几何中的应用-学会解题之高三数学万能解题模板【2022版】江西省宜春市第一中学2022-2023学年高二上学期期末考试数学试题北师大版(2019) 选修第一册 数学奇书 第三章 空间向量与立体几何 4.3 用向量方法研究立体几何中的度量关系 第2课时 空间中的距离问题江西省新干县第二中学2022-2023学年高二下学期3月月考数学试题安徽省蒙城县第二中学2023-2024学年高三上学期9月月考数学试题
名校
8 . 如图,在多面体
中,平面
平面
,四边形
为菱形,
,底面
为直角梯形,
,
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/f7d26fb2-cac4-46ed-962b-abfac9c5e998.png?resizew=166)
(1)证明:
;
(2)在
上是否存在点
,使得平面
与平面
夹角的余弦值为
,若存在,求出
的值;若不存在,请说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9165d9bfbb0f0d19eb482c2a4c1b29b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cf9a6db3571fa57bfa2d5e4d44c51b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32c05247f6998d7a70d31d13be4148c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f8c595bc64da14b0f78019c54da608d.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/080db3af81b29ed10144a1c2e2a4fb8a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52d46a90cc593b469de74f4dbbec56b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/8/f7d26fb2-cac4-46ed-962b-abfac9c5e998.png?resizew=166)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c252a0fe067d434a2b5aeac011b9914.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2319a01218514917e446dfc807a625ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f35614aff055b98b76ca262f64e629d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca67a5b8f69507c8b80379e86f90a8ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/85fce39ef6db254d91d5a147b95da23a.png)
您最近一年使用:0次
2023-11-15更新
|
298次组卷
|
3卷引用:重庆市巴蜀中学校2023-2024学年高二上学期10月月考数学试题
名校
解题方法
9 . 如图甲,在矩形
中,
为线段
的中点,
沿直线
折起,使得
点为
的中点,连接
,如图乙.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/40d753e3-9722-418e-a8dc-8e099a6e081d.png?resizew=332)
(1)求证:
;
(2)线段
上是否存在一点
,使得平面
与平面
所成角的余弦值为
?若不存在,说明理由;若存在,求出
的长度.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/438f5e0b08422b2f93d122341b3d7672.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e52a8f07834cbbbe4224962672fbbb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a25c28359f8d8da9eaf4672a6cf8ae4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d81d73077d45142f21ca67f80633f7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68a83fdd2ba72a2dba0b6b10bb3e06b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35cb5a59879bfa249b9896d3458d43b5.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/17/40d753e3-9722-418e-a8dc-8e099a6e081d.png?resizew=332)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2f4946f86dce1600096f79d7716ea03.png)
(2)线段
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73465a1f9aa03481295bf6bd3c6903ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9a32bd7a1b78b5a0ec562c4025aea8c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/977a483bd52c08968f4097d10609be20.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a261474cc7607d31a6324cb4df9c8896.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/826c728050e3378921442ace20269ef6.png)
您最近一年使用:0次
名校
解题方法
10 . 已知椭圆![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
,离心率
,过点
.
(1)求椭圆
的方程;
(2)直线
过点
,交椭圆与
两点,记
,证明
.
(3)直线
与椭圆交于
两点,当
时,求
值.(
为坐标原点)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a5bbb709522dba9425a6b45ee671298.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd54b9df3402ad91e2d34c40efe0c7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c7316976a221c051a2c14df80b1347.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea2de52259b426acb42761fec59a7748.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b25e326fdf9e5456f48e8a99a069f379.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c92e835e6811cdf63caf16ed19af9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06bd042cab64ba961e54d75f69d12dcf.png)
(3)直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54479885d4ab2f717d2e97718da04b43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c0b06dc01c30d13f64be2ac6a1d811e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次