(11.1) Find (if possible) the line of intersection between the lines: <3,-1,2>+ <1,1,-1> and +s for t, s R. (11.2) Show (if possible) that

(11.1) Find (if possible) the line of intersection between the lines: + and +s for t, s R. (11.2) Show (if possible) that the lines x+1=3t. y = 1, z+5=2t for te R and x + 2 = s. y-3=-5s, z+4=-2s for s R intersect, and find the point(s) of intersection. (11.3) Find the intersection between the planes: x-2y + z = 3 and -x + 3y-2z = 1. (3 (5 (3