-40
40
40 or -40
None of these
16
8
3
12
If and are two unit vector inclined at an angle π/3, then the value of is.
greater than 1
less than 1
equal to 1
equal to 0.
2/3
-2/3
-3/2
3/2
equals.
0o
45o
180o
90o
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
1
6
0
