Point out the special position of plane .
Solution: Suppose the plane equation can be transformed into
,
On coordinate plane, it is a straight line passing through the origin; in the space rectangular coordinate system , it is a plane passing through axis, and its normal vector
.
请安装使用
数苑手机客户端(APP)
数苑APP：支持书签、笔记与数学实验编程运算功能，支持用户反馈求助并查看所有作者点评。
