0
1
-1
3
2/3
-2/3
-3/2
3/2
2
16
8
12
The vectors
Coincident
Parallel
Perpendicular
Neither parallel nor perpendicular
If two vectors be such that , then the angle between them is
π/4
π/3
π/2
None of these
The magnitude, the displacement of vector from position (2, 4, 2) to position (6, 1, 12) is.
3 √7
5 √3
3 √8
5√5
If θ is the angle between two unit vectors , then cos θ is equal to
