已知向量
,
满足
,
,则
的最大值是________ .
![](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/6500d23b2750afcb9e307c85a5e62846.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9410f166936a99bf0f802e600d28ad2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94af84455939219c16d251a95871d5b7.png)
2018高三·浙江·学业考试 查看更多[3]
2018年浙江省普通高校招生全国统一考试方向性考试数学试题(已下线)专题06 平面向量的模与夹角(讲)--第一篇 热点、难点突破篇-《2022年高考数学二轮复习讲练测(浙江专用)》(已下线)专题12 平面向量综合必刷100题-【千题百练】2022年新高考数学高频考点+题型专项千题百练(新高考适用)
更新时间:2021-10-20 17:57:55
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【推荐1】已知关于x的方程
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【推荐2】在推导等差数列前n项和的过程中,我们使用了倒序相加的方法,类比可以求得![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55fbe7005a3dda504454d05fc99d497c.png)
________ .
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【推荐1】若非零向量
,
满足
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7787902056794fd718bfeec12825522b.png)
______ .
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【推荐2】在
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朵“小雪花”汇聚成一朵代表全人类“一起走向未来”的“大雪花”的意境惊艳了全世界(如图①),顺次连接图中各顶点可近似得到正六边形
(如图②).已知正六边形的边长为
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______ ;若点
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【推荐1】下列四个命题:
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②直线
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③直线
与椭圆
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的取值范围是
;
④方程
表示圆的充要条件是
或
;
正确的是___________________ .
①直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2157c1d1295e762906ef99295ade2b27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a9a19f4d4f7247b12273001203f496e.png)
②直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acd55f837e9c4e6bba1163ef13edd09b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8796f6d3e7a0e3771f83df47e99a970d.png)
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③直线
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④方程
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正确的是
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