The points U(4,-1,2), V(-1,-1,-1) and W(-4,2,4) dermine a triangle in R^3

a) Determine the parametric equations for thr three lines containing the 3 sides of the triangle

For example U to V

change in x = -5
change in y = 0
change in z = -3
so
(4,-1,2) + (-5t +0t -3t)