已知向量a=(m,4),b=(3,-2),且a∥b,则实数m=
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(已下线)FHsx1225yl074
更新时间:2024-04-01 14:14:00
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【知识点】 由向量共线(平行)求参数解读
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【推荐1】已知向量
,
,满足
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28debf7593125a7acdb11c9f05cf6b14.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84f6141b6a0077853b2ea4f5c17dc680.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87849e4ccb20dbaf4b14e3bc4fcddb08.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66d76ee2e81f447f84a3e0b39c0388ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/28debf7593125a7acdb11c9f05cf6b14.png)
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【推荐2】已知两向量
共线,则实数m =_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c16d0dc112ac48913980bddf96979bc5.png)
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【推荐3】设
,向量
,
,若
与
夹角为钝角,则
的范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24a57996290794e082b21d8f1dfc322a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d79d05c78e4e03ff3a64b24f272b876b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61f1b1d236c77645c4a610c7c45a0b89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
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