Question

Find the vector represented by the directed line segment with initial point a(2, −4, 1) and terminal point b(−1, 1, 4).

Answer 1

A(2, −4, 1) and terminal point B(−1, 1, 4).

Vector AB = B-A

=(−1, 1, 4)  - (2, −4, 1)

=(−1-2, 1- -4, 4-1)

= (−3, 5, 3)