If = (1,-1) and = (-2, m) are two collinear vectors, then m is equal to
0
4
2
1
If then the angle between and is
45o
180o
60o
90o
Let and , are non - zero and non- collinear vectors. If there exists scalars α, β such that α + β = , then
α = β ≠ 0
α + β = 0
α = β = 0
α = β
ABCD is a quadrilateral, P,Q are the midpoints of and , then is equal to
If then the unit vector in the direction of is.
If , , are three vectors such that = + and the angle between and is π/2, then
a2 = b2 + c2
b2 = c2 + a2
c2 = a2 + b2
2a2 - b2 = c2
The resultant of
√29
√66
√62 - 2 √35
If the points with position vectors are collinear, then a is equal to
-40
-20
20
40
If then angle between and is
π/6
π/3
π/2
π
The position vectors of P and Q are respectively and . If R is a point on such that , then the position vector of R is