The angle made by the vector with x- axis is ____.
90°
45°
22.5°
30°
The unit vector parallel to the resultant of the vectors and is ____.
If then the angle between A and B is ____.
( / 3
(
( / 4
/
20
23
26
The angle between two vectors and is ____.
0°
90°
180°
None of the above
The angle between the vectors and is ____.
30°
45°
60°
90°
/
12
6
1
0
If a vector is parallel to another vector then the resultant of the vector will be equal to ____.
A
Zero vector
Zero
The volume of the parallelepiped whose sides are given by is
4
None of these
Let a=2i+ j-2k and b =i+j. If c is a vector such that a. c=|c|,|c-a|=2 and the angle between (a xb) and c is 30o, then |(a x b) xc|=
2/3
3/2
2
3