名校
1 . 已知
.
(1)求
;
(2)当
为何值时,
与
平行?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d3fc72d4a0fb653ec4d58089d5e188.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bd764def6a96d1f2abd3b89580c5352.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b0d6f45010a54e0bfa0b48c90376ebb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d31b07a2081bfaaf77c0062193ab173e.png)
您最近一年使用:0次
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2 . 已知向量
.
(1)当
为何值时,
与
垂直?
(2)当
为何值时,
与
平行?
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/868bca54949e71b38aca564e3ffebe80.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b625b8d3178dd0ea451a80a63082c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda42c42ba2dd4cc013fe915db603f32.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62b625b8d3178dd0ea451a80a63082c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda42c42ba2dd4cc013fe915db603f32.png)
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2024-04-03更新
|
251次组卷
|
5卷引用:河南省洛阳市洛阳强基联盟2023-2024学年高一下学期3月联考数学试题
名校
3 . 已知
,
.
(1)求![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc23a04cdac6439ea170e799f1c1df5.png)
(2)若
,
且
、
、
三点共线,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22049e5b456016a99f1ad9befbff8195.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32cde768af0b6520211805e04decb739.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cc23a04cdac6439ea170e799f1c1df5.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d49c4a08ef45aadbab52d72b4ece3cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b206ca6aae394ab845aea1e8aea496b6.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
4 . 已知向量
,
,若向量
,
共线且
,则
的最大值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c0951b84d775b5defa7ce58b620000f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/37e146150a40e3980a74f045ab2a77b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
A.6 | B.4 | C.8 | D.3 |
您最近一年使用:0次
名校
解题方法
5 . 已知平面向量
,
,且
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0fce7f6996c58f3e43cd2d6591695b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3286a5a084587b80929949a9c7b20183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd79264e130de60a100b001b5d45585c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.![]() | C.![]() | D.8 |
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2024-04-03更新
|
116次组卷
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2卷引用:山西省运城市盐湖区运城南风学校2023-2024学年高一下学期3月月考数学试题
名校
6 . 已知向量
,
,其中
.
(1)若
,求
;
(2)若
,且
与
垂直,求实数
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dc70040cef9a2ef234d32aa9a40c914f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1497738b5069c5215980d5c2309608e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d59d0cf265e4b0e653a3a1d7818752.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e5ba67828c57daf2edb497fb52e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1791fcd1a3b792086e82da34e24b0e84.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9143e34aaf0ce8be021df339a658c5eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0f5d6389672e98b7a226d86706c390.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
您最近一年使用:0次
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解题方法
7 . 已知向量
满足
.若
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892b9b6bc50b7646e633576d6808d66f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.3 | D.![]() |
您最近一年使用:0次
2024-04-03更新
|
1109次组卷
|
2卷引用:安徽省江南十校2024届高三3月联考数学试卷
名校
解题方法
8 . 已知向量
,
,
,
.
(1)求
的最小值及相应的t值;
(2)若
与
的夹角为钝角,求实数t的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/492413c98d2abdb4bda581ae9b9d88b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfe4aa7751ac7cdaf57eeec30291d45e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ca1799511e1bd96fcb6a32ddaded042.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c31ba2787bc36c28c1a3a54e93432cc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3099b6babeda71f04bb275793b198c7.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c648c7aa26ca519148d697617f746e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d366d8fbb7258ee051f49977441e14a2.png)
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2024-04-02更新
|
605次组卷
|
3卷引用:河南省三门峡市渑池县第二高级中学2023-2024学年高一下学期第一次月考(3月)数学试题
河南省三门峡市渑池县第二高级中学2023-2024学年高一下学期第一次月考(3月)数学试题安徽省定远中学2023-2024学年高一第六次阶段检测数学试卷(已下线)第二章平面向量及其应用章末十六种常考题型归类(2)-【帮课堂】(北师大版2019必修第二册)
名校
解题方法
9 . 已知向量
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6208cbf9f9ca96d25ac39d654553764.png)
(1)若
,求
的值;
(2)若
,
与
垂直,求实数t的值;
(3)若
,求向量
在向量
上的投影向量的坐标.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/774909e062a8c06f4f6ba5c042714863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6208cbf9f9ca96d25ac39d654553764.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91b958a367fa2f08b6202a5a6ebf5e9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c614d6e051a673022d30c281cdec20c2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c42206793edde00d2d43cd07adf78366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94f1e58b02067b0b912e399bae5c3c58.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8bf31d9d07e454de95bf2878ede921a.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b12fe9a4054ffbacca1b995751969a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
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2024-04-01更新
|
904次组卷
|
4卷引用:重庆市第一中学校2023-2024学年高一下学期3月月考数学试题
名校
解题方法
10 . 已知
,
,若
与
的夹角为锐角,则
的取值范围为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80d769ab21af5365d3c00dc617375ce4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a2519a92139b67072aeb15b18f2a886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df64046e91b047037f19e4032e3b6de3.png)
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