What is the resultant of two displacement vectors having the same direction? Question 7 options: a The resultant is the sum of the two displacements having the same direction as the original vectors. b The resultant is the difference of the two displacements having the same direction as the original vectors. c The resultant is the sum of the two displacements having the direction opposite to the direction of the original vectors. d The resultant is the sum of the two displacements having the direction perpendicular to the direction of the original vectors.