9000101004

SubArea: 
Space geometry
Level: 
A
Project ID: 
9000101004
Source Problem: 
2010005003
Accepted: 
1
Clonable: 
1
Easy: 
0
Find all the values of the real parameter m so that the lines p and q are skew lines. p:x=1+t,y=2−t,z=1−t; t∈Rq:x=s,y=1+s,z=3+ms; s∈R
m∈R∖{−2}
No solution exists.
The lines are skew for every real m.
m=−2