Forgot password
 Register account
View 1042|Reply 2

2016浙江理15题,求最符合学生思维的方法

[Copy link]

31

Threads

42

Posts

0

Reputation

Show all posts

longma posted 2016-10-22 16:48 |Read mode
Last edited by hbghlyj 2025-4-6 03:3315.(4 分)(2016•浙江)已知向量 $\vec{a}, \vec{b},|\vec{a}|=1,|\vec{b}|=2$ ,若对任意单位向量 $\vec{e}$ ,均有 $|\overrightarrow{\mathrm{a}} \bullet \overrightarrow{\mathrm{e}}|+|\overrightarrow{\mathrm{b}} \bullet \overrightarrow{\mathrm{e}}| \leq \sqrt{6}$ ,则 $\overrightarrow{\mathrm{a}} \bullet \overrightarrow{\mathrm{b}}$ 的最大值是 $\qquad$

673

Threads

110K

Posts

218

Reputation

Show all posts

kuing posted 2016-10-22 17:05
forum.php?mod=redirect&goto=findpost& … d=4103&pid=17976(由3楼开始看,1楼的就不要看了)

31

Threads

42

Posts

0

Reputation

Show all posts

original poster longma posted 2016-10-22 17:49
感觉还是不符合学生的普遍思维方式

Quick Reply

Advanced Mode
B Color Image Link Quote Code Smilies
You have to log in before you can reply Login | Register account

$\LaTeX$ formula tutorial

Mobile version

2025-7-15 14:21 GMT+8

Powered by Discuz!

Processed in 0.012412 seconds, 23 queries