If vector AB = k vector AC, where k is a scalar, then :
(a) A, B, C are coincident
(b) vector (AB, AC) have the same magnitude
(c) A, B, C are coplanar
(d) A, B, C are collinear
Correct option (d) A, B, C are collinear
Explanation:
A, B, C are collinear if vector AB = k vector AC.
