T
trangletantan
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
![](https://blog.hocmai.vn/wp-content/uploads/2017/07/hot.gif)
giai giup minh voi !!!!!!!!!!!!11111
tim tap hop cac diem cach deu 2 mat phang P va Q
P:2x-y+4z+5=0 va Q :3x+5y-z-1=0
tim tap hop cac diem cach deu 2 mat phang P va Q
P:2x-y+4z+5=0 va Q :3x+5y-z-1=0