1 . 已知两个不相等的非零向量
,两组向量
和
均由2个
和3个
排列而成,记
,
表示
所有可能取值中的最小值,则下列命题中
(1)
有5个不同的值;(2)若
则
与
无关;(3)若
,则
与
无关;(4)若
,则
;(5)若
,
,则
与
的夹角为
.正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fa2fcefaf3d8868da0cb52877c5247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2744fe89d91933ef3e35c1c44a0573cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c6a93c58b07dc6314d15b59a69719ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97cc84193fbd692132c08712f02d022e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494f173fed024b28d9e2bc7a96362d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb58883caf5c8ca1e94389839d294b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494f173fed024b28d9e2bc7a96362d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1d18fee3af07e00ebe0633086835e3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3854a1870df3dfab871bb1b15d41cb07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/494f173fed024b28d9e2bc7a96362d3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5abd3218ac3ae2137649597508f87187.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0107fb1dea0d998e9dcf465b7f38e2a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba4b77e77f7b2d0fc8187985a57c9902.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8722b5f981ecebf0e9b6360f1e1b7895.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eec38f616fb57d36403a1692c56411c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/969604545902c9a66549a4a44ec3a3c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
A.(1)(2) | B.(2)(4) | C.(3)(5) | D.(1)(4) |
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2020-02-07更新
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1074次组卷
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2卷引用:上海市七宝中学2016届高三上学期期中(理科)数学试题
名校
2 . 已知向量
,
,定义:
,其中
.若
,则
的值不可能 为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bb58883caf5c8ca1e94389839d294b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7fbb10314fbe1a7b3a8af7da92158d42.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9944600eafc9bf8c2e62bae49f62a345.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd3ede869e508a8c8bda34a16782f863.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9331761428603a9ab3ecdb1aaf331d65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20126588f4128288dc0e0d1d84de632a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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3卷引用:【校级联考】浙江省湖州市高中联盟2017-2018学年高一下学期期中联考数学试题
名校
3 . 在
中,
,
,且
,则
的取值范围是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e42f8a2bc3d6e06dbf4d430321104800.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4be478e725ac649f61d303bf20b4ae7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b416eadee245df248dc7c1cc318255eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de337d21ecd7e19830c14f72fba4ad40.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
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10卷引用:【全国市级联考】广西桂林市2017-2018学年高一下学期期末质量检测数学试题
【全国市级联考】广西桂林市2017-2018学年高一下学期期末质量检测数学试题【省级联考】浙江省2019届高三高考全真模拟(二)数学试题宁夏青铜峡市高级中学2018-2019学年高一下学期期末考试数学试题人教B版(2019) 必修第三册 过关斩将 第八章 向量的数量积与三角恒等变换 8.1 综合拔高练黑龙江省绥化市第一中学2019-2020学年高一下学期线上期中考试数学试题四川省遂宁中学校2019-2020学年高一下学期第二次月考数学试题湖北省武汉市蔡甸区汉阳一中2020-2021学年高一下学期5月月考数学试题河南省信阳市信阳高级中学2021-2022学年高一下学期第一次月考数学(理科)试题河南省信阳市2021-2022学年高一下学期期中数学试题(已下线)高一下期中真题精选(压轴60题专练)-【满分全攻略】2022-2023学年高一数学下学期核心考点+重难点讲练与测试(人教A版2019必修第二册)