You should avoid using asterisks (*) and the letter x to denote multiplication in general. When writing down vector equations, the following rules are considered best practice. The symbols and are used for the dot (scalar) product and the cross (vector) product. You should omit the sign for scalar multiplication of vectors. Select the options which you think are the best. Here, we assume that and are vectors in .多项选择题

题目图片

登录即可查看完整答案

我们收录了全球超50000道真实原题与详细解析,现在登录,立即获得答案。

类似问题

更多留学生实用工具

加入我们,立即解锁 海量真题独家解析,让复习快人一步!