Given the points A (-2, 3, -3), B (3, 2, 5), C (1, -1, 2), D (3, 2, -4). The projection of the vector on the axis of is
None of these
2/3
-2/3
-3/2
3/2
If θ is the angle between two unit vectors , then cos θ is equal to
Two vectors are parallel and have same magnitude.Then
They have the same direction
They are equal
They are not equal
They may or may not be equal
0o
45o
180o
90o
If are position vector of A and B respectively, then the position vector of a point C in AB produced such that
If two vectors be such that , then the angle between them is
π/4
π/3
π/2
equals.
1
6
0
3
