平面中存在三个向量
,
,
,若
,
,且
,且
满足
,则
的最小值______ .
![](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/d366d8fbb7258ee051f49977441e14a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d8c00d9c20e83cb187ab992771ec651.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f7e9a7c6bd5ba08238318a7c7df02c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2cc1f1ef9ad32eef62aefa4c3fc3d6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb573cc0f30d5c32cdad1510793f0e7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb86c73af2b40e6b8bedbe0408c84115.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22cc635b896936346e5c75dfcbc19765.png)
更新时间:2020-04-16 16:19:42
|
相似题推荐
填空题-单空题
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困难
(0.15)
名校
解题方法
【推荐1】已知
中,
,
,
是线段
上的两点,满足
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16ca90e8a784f990c4097eec9219908d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3a059203f65774fd8f321faa9e8041.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6703a78d8d161ec1b7bcd5dcfe45b22e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8149e6cd3d2f2304af7a8527002a6bf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f1cf680b83dd7afbca098d80d370ca2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdb7025bdeee3a087a9c25f0dc564f36.png)
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您最近一年使用:0次
填空题-单空题
|
困难
(0.15)
解题方法
【推荐2】在
中,
,
.点
满足
.过点
的直线
分别与边
交于点
且
,
.已知点
为
的外心,
,则
为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dec2ca6438c82b43f746057d8129885.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5daab415cd0535883acba65cee9bf456.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb825053b6b0576cd5c34f0a3ce20726.png)
您最近一年使用:0次