已知向量
满足
,
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b172cf8d898883d82e973f28c3c3a3e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70e310702748855c3edccd151aae0143.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2c59a80c951c46eb56988777af2e8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7d8b42c85013ba07ba18e5e46d8716.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-05-09 10:18:09
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单选题
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较易
(0.85)
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【推荐1】下列条件中一定使点P与A,B,C共面的有( )个
①
②![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e0cc499e497627410932eb3ac907db.png)
③
④![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694cf3dc118deca2f859e130cdbc0686.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23d5e4c97633682422cdecc4265ed112.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e0cc499e497627410932eb3ac907db.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cf331d9e282b74a251b5ba90fa53d0a.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/694cf3dc118deca2f859e130cdbc0686.png)
A.0 | B.1 | C.2 | D.3 |
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解题方法
【推荐2】在边长为2的正方形ABCD中,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5653b76c9b13e0a388b88ece944af33e.png)
A.-4 | B.-2 | C.2 | D.4 |
您最近一年使用:0次