已知平面向量
,
和单位向量
,
满足
,
,
, 当
变化时,
的最小值为
, 则
的最大值为__________ .
![](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/05b28baf17059c56ee9ad1ae4814acd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b04618e5b2db68f2de6ba68972c505c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2299ec86874e697ccfdf5fe05705f03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b438215032960ad1c0e9e5c076b90235.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f8b8dc995772cd8fc68ca902ae8586d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc7d8b42c85013ba07ba18e5e46d8716.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
21-22高三下·浙江·开学考试 查看更多[8]
浙江省百校2022届高三下学期开学模拟测试数学试题(已下线)专题17 向量中的隐圆问题湖北省二十一所重点中学2023届高三上学期第二次联考数学试题(已下线)专题2平面向量的坐标运算 (提升版)(已下线)第08讲 平面向量的正交分解及坐标表示上海市五校2022-2023学年高二下学期3月联考数学试题(已下线)第六章 平面向量及其应用(压轴题专练)-单元速记·巧练(人教A版2019必修第二册)(已下线)第9章 平面向量 单元综合检测(难点)-《重难点题型·高分突破》(苏教版2019必修第二册)
更新时间:2022-08-03 15:46:13
|
相似题推荐
填空题-双空题
|
较难
(0.4)
名校
【推荐1】在矩形ABCD中,AB=2,AD=1.设
.
①当
时,t=___________ ;
②若
,则t的最大值是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d85079be655830b6eead4f4519e6564d.png)
①当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/673057dddf665771ae40d0949fe6096c.png)
②若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f9d06819c9f18b61472e2601cee45b93.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
名校
【推荐2】我们称
元有序实数组
为
维向量,
为该向量的范数.已知
维向量
,其中
,
,记范数为奇数的
的个数为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2cce76f37e2fc64bc9891e374782e6.png)
________ .(用含
的式子表示,
)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/223ed9652852ca4d996fd1f20808df9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60a79b7ec77425af9152ef0cd3dacfe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45981f9cd45bf7b0655d3c9e461fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1e894b2a2d6b062551e7d16fce65940.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38a1efdf5e172ab6f9d63fdef25671ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ee1569b400d0560d7c42228ad9df6f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3cfeacc29e6a61c5b3b4e439c0a91df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2cce76f37e2fc64bc9891e374782e6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e145b6046bc80d0ffecc61ac67c87ca1.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
【推荐3】△QAB是边长为6的正三角形,点C满足
,且
,
,
,则
的取值范围是___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf1ebaa8302725f01b32120004bf4fd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58b140e221ddf537b8964fff8557cca0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de8610232c77741a37463feba1a66c94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbc5b4357fd97fc6a2328953fe45a294.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/310c2f1bd375cda66c1180f465f49f47.png)
您最近一年使用:0次
填空题-双空题
|
较难
(0.4)
解题方法
【推荐1】在矩形
中,已知
,
,
为
上一点.
(1)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
_____ ;
(2)若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07160f14b3b453bebb64cb2bf96dc85a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4e3e7ca8d61e3b8b944d5b3905355bbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6895035630ceb7851061e1da82f935b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f594898ac298fb28edc09796ad3ca899.png)
您最近一年使用:0次
填空题-单空题
|
较难
(0.4)
解题方法
【推荐2】在
中,
为定长,
,若
的面积的最大值为
,则边
的长为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c70d7d805d2094761a1c3062da1b0f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
您最近一年使用:0次