名校
解题方法
1 . 已知向量
,
,
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51f6be725bc2be28f5a3983e10bfeefc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0635dd7654629ef1dc976c116aa17dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04082154fe19c91078a95c1ee219ff93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c1bbdd632e3d014a4aeecd1c2061ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/934d37c81b2266c7b86bcc11afaf5f91.png)
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2024-04-11更新
|
251次组卷
|
3卷引用:山东省枣庄市第三中学2023-2024学年高一下学期3月质量检测考试数学试题
解题方法
2 . 已知非零向量
和
不共线,若
与
共线,则
的值为__________ .
![](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/2e2db7ad8352a03337aff3b97ac70064.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e76aac7e958243796e40f070a5fe3407.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
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2024高三·全国·专题练习
解题方法
3 . 直线l上有不同的三点A,B,C,O是直线l外一点,对于向量
(
是锐角)总成立,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dac2478ad5060ad1b844dcd74f662b36.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
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名校
4 . 已知
是不共线的向量,且
,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1eea45a8f50799dbe8ac66d5b920cdf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa2d087fdcd2e40319683452c9ee7c9f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
5 . 已知四边形
中,
分别是
的中点,
.
(1)设
,求实数
的值;
(2)若
,求
;
(3)若
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad056c25c0fdcbcc765eb5cbc6093f2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7ea239ce8763f3bd028f58d88523400.png)
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c6c052cd7a79455c3df58e1273ec574.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b0fffbec1fe851795dfdd448bf0d165.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abc49dce07eac7520fbf4099fc003115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2947ca8e0cdbeb4aab80ce9e7b63ba98.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/255a4b9674f7d9c6a890927620be3193.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3b3dff6522c24a955ea87891d2a7b25.png)
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名校
解题方法
6 . 在等腰梯形ABCD中,
,
,
,
,
,动点E,F分别在线段BC和DC上(不包含端点),AE和BD交于点M,且
,
.
(1)用向量
,
表示向量
,
;
(2)求
的取值范围;
(3)是否存在点E,使得
.若存在,求λ;若不存在,说明理由.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ee8ef58be8708144272538ee427fb92c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea4f5eec0addba78f2e0cdfb7ecc59a6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d27bd71d79cb19eb554175e4ef0867.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d03acb29a5812acad760d564d6c84be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fe419cc85c1801f6f1e9ec1d2682865.png)
(1)用向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/304a7f07db2ec637baadf8f0ab91c85c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5c3accb1b8a5479439beff4259660e3.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7042c22468919ac8279ee70f25bd716.png)
(3)是否存在点E,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0063b15ff38b206337b587935ada99f0.png)
您最近一年使用:0次
2024-04-08更新
|
211次组卷
|
2卷引用:江苏省南通市区+通州区2023-2024学年高一下学期3月质量监测数学试卷
名校
7 . 如图所示,点P,Q分别位于边长为1的正方形
的边
上,
,记点
为
的外心,若
,则
的最大值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9dfbeb7390ee66d7b126812483a3152e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4e13889db9188c455a3ac91f2f32cf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48e91eeb57e4fc87e26efb7d371f6f52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b88584cf1df43e28d03592c7998b1653.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/8/3e27b6a2-e055-4518-ab68-58ca764a7e9b.png?resizew=150)
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名校
8 . 如图,在正
中,
分别是
上的一个三等分点,分别靠近点A,点B,且
交于点P.
元表示
;
(2)求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91e1e4115d78e625e9e0f47cdade3286.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/374fe9986ebbc986fc422e514ab93a51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28d28b62b82aba68a82d25ca777016f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd8441ad93dada36f1e19f1ff3e58480.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8dc39b4bfbb3893940db79621cad2b23.png)
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a5ca043c87e3de20d74206cabed8fe.png)
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2024-04-07更新
|
272次组卷
|
2卷引用:江苏省徐州市丰县中学2023-2024学年高一下学期学情调研(一)(3月)数学试题
名校
9 . 如图,在
中,
,点
是线段
上一点.
是线段
的中点,试用
和
表示向量
;
(2)若
,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a23c10fcb4fe0ccc015f8bfc60744589.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abcb5d89b04570ceda2c29e11cb27a57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af5f1b06a56fc382feed28e01f1ad102.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7239b3f2d88c2e45e17e5de9ae1a332.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f9b6bbcfa5d591c2d41455ac2c1777.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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2024-04-04更新
|
465次组卷
|
2卷引用:四川省成都市列五中学2023-2024学年高一下学期阶段性考试(一)数学试题
名校
解题方法
10 . 如图,在
中,
是
的中点,点N在边
上,且
,
与
相交于点
,设
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ce0da153621bbd05519f168b527e3e.png)
_________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb4713985fd15713e52c5001059345c.png)
_________ .(注:用
和
来表示)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ac7b134d8d1136f90233addaa4723f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d50703c46b6153945d718b198f03b4b5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7785afeeaf274892253d04b4f693b367.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03ba495e8f9fe02229a4248fdbfb4710.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/98ce0da153621bbd05519f168b527e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eb4713985fd15713e52c5001059345c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/8cf6e567-0ffc-4f88-8f23-ded09856cf2e.png?resizew=141)
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