名校
1 . 已知点
,
为坐标原点.
(1)若
,求
的值;
(2)若实数
满足
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b0b48f87b1cf5d25b590c60fa3dfb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/12119a418505ce8c190c575a6de38bff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00a080cab44a7d3605430d67b207f9be.png)
(2)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/280860dd039e1305a5ccc455f63e8223.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9ab8d9ec70b87c38a978f43d012eff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ccb9e2ad02134176b62c4b4b9b6cd92.png)
您最近一年使用:0次
2017-07-25更新
|
512次组卷
|
3卷引用:浙江省台州市书生中学2022-2023学年高二上学期起始考数学试题
12-13高一下·浙江台州·阶段练习
2 . 已知向量
,
,
.
(Ⅰ)求
的值;
(Ⅱ)若
,
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9da4e63d1f179abe3df4b15770eff2f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aae4f4bcad92109e6200e7c2160cc34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/276a0e6e324320aa4d38efa90ad95770.png)
(Ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22d521f8d021b20757d7a68107fcef1d.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c65b6c42393fae47c51101713167ff71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b8d88054c08b24133a1bb1c86f1ceab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9674d79ac22f09fd441d04f75fbfcf1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次