2023高一上·全国·专题练习
1 . 求证:
=-1.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b395a4143c6963a36f62b4261b9fe818.png)
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解题方法
2 . 求证:
(1)
;
(2)
.
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d6dbee398f3416c19ff4c2c47ca97f26.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/772fbd455cfda22084a1d7401ecfb70d.png)
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2023高三·全国·专题练习
解题方法
3 . 如图,在四棱锥
中,
平面
,
,
,且
,点
为棱
上一点(不与
重合),平面
交棱
于点
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/2e9d64d0-adea-4e7a-87d0-11258b6517c5.png?resizew=190)
求证:
.
![](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/593047673ef5e635015c3993bbe4005d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e77c16357eabed95d85bbd4e3dada92e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc793a6afea747370cae351b53efd46e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/500df0e782bb081e608f4bc1d576afcf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd33764ff4efddfe11a98a609753715c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/12/31/2e9d64d0-adea-4e7a-87d0-11258b6517c5.png?resizew=190)
求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/944d0397ac8fa28e487f429dc42efe60.png)
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23-24高二上·全国·课后作业
4 . 已知
,
是项数相同的数列.
(1)若数列
是公差为d的等差数列,数列
满足
,证明数列
是等比数列;
(2)若数列
是公比为q的正项等比数列,数列
满足
,证明数列
是等差数列.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(1)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a601ea5db825ae0d1dc6a4b3cad06b03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
(2)若数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4f4a57cc10613c6b261ac3a8649cbdaf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
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2024高一下·全国·专题练习
5 . 在四面体
中,
分别是
和
的中点.证明:平面
平面
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/73a54909230206fd2804440c656152b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17580410bf63dba4fe164265afaac4cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
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2024-03-07更新
|
1220次组卷
|
5卷引用:第14讲 8.6.3平面与平面垂直(第1课时 )-【帮课堂】(人教A版2019必修第二册)
(已下线)第14讲 8.6.3平面与平面垂直(第1课时 )-【帮课堂】(人教A版2019必修第二册)(已下线)11.4.2平面与平面垂直-同步精品课堂(人教B版2019必修第四册)(已下线)6.5.2 平面与平面垂直-同步精品课堂(北师大版2019必修第二册)(已下线)第13章 立体几何初步 章末题型归纳总结 (1)-【帮课堂】(苏教版2019必修第二册)(已下线)专题20 平面与平面的位置关系-《重难点题型·高分突破》(苏教版2019必修第二册)
名校
解题方法
6 . 如图,在正方体
中,
平面
;
(2)求证:
平面
;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/307807ee10071bafbe922eb18d2517d7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756d4d8a7051af5dae3ef56cb9e47c5b.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/231673dd67ab79d3c5da73904ceade1e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/756d4d8a7051af5dae3ef56cb9e47c5b.png)
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2023-06-14更新
|
4516次组卷
|
4卷引用:北京市顺义区第一中学2022-2023学年高一下学期5月月考数学试题
北京市顺义区第一中学2022-2023学年高一下学期5月月考数学试题(已下线)专题训练:线线、线面、面面平行与垂直证明大题-同步题型分类归纳讲与练(人教A版2019必修第二册)宁夏开元学校2023-2024学年高二上学期第一次月考数学试题海南省乐东黎族自治县冲坡中学2023-2024学年高二上学期第一次月考数学试题
23-24高二上·全国·课前预习
7 . 已知
,
,
,
,试判断直线
与
的位置关系,并证明你的结论.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f1e95fb519f59c46f40e4ab44660073.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/428426e7f2ee0502b555a87a5cef6cb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bd27361a18e21a618800dc6b2ae52fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bd2d2d6d368996269eef175fafe2213.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a5f1641947153c80b987320885a2b57.png)
您最近一年使用:0次
2023-08-24更新
|
216次组卷
|
4卷引用:2.1.2两条直线平行和垂直的判定(导学案) -【上好课】高二数学同步备课系列(人教A版2019选择性必修第一册)
(已下线)2.1.2两条直线平行和垂直的判定(导学案) -【上好课】高二数学同步备课系列(人教A版2019选择性必修第一册)人教A版(2019)选择性必修第一册课本例题2.1 直线的倾斜角与斜率(已下线)专题12 两条直线平行和垂直的判定5种常见考法归类 - 【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)(已下线)专题13 两条直线的位置关系6种常见考法归类 - 【考点通关】2023-2024学年高二数学高频考点与解题策略(人教B版2019选择性必修第一册)
解题方法
8 . 如图,已知平面
,
,直线
平面
,且
平面
.求证:平面
平面
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f9157fce2a8339d281178c7c0bccbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be509ef5101aae24609ff9941cb246fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fa807136194c18d3ac58902c67f9333.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/10/22/65bb0b48-a810-4828-8f53-423ccc862ef7.png?resizew=164)
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解题方法
9 . 设
,
是平面内的一组基底,
,
,
,求证:A,B,D三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0411792b587ddd3e04440392f011c224.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b95d660852c5226ff65a21cfb36b8b39.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0bb7dce9fe85d34d6b91fb143596bc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd65da09401601784b7e576a3d247e7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/415d453d4902fa036d3c9355e27259b6.png)
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10 . 在空间直角坐标系中,已知
,求证:A,B,C三点共线.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e5d180129495c1bce970bffe09693f2.png)
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