If the vector is perpendicular to , then c is equal to
4
5
6
7
The resultant of
√29
√66
√62 - 2 √35
A, B C, D, E, F in that order, are the vertices of a regular hexagon with centre origin. If the position vectors of the vertices A and B are respectively. is equal to
If then angle between and is
π/6
π/3
π/2
π
If then the angle between and is
45o
180o
90o
60o
The non-zero vectors Then, the angle between is.
0
π/4
ABCD is a quadrilateral, P,Q are the midpoints of and , then is equal to
If the points with position vectors are collinear, then a is equal to
-40
-20
20
40
If then the unit vector in the direction of is.
If = (1,-1) and = (-2, m) are two collinear vectors, then m is equal to
2
1