1. Find the intersection of the following lines. [MARK 18] 41: [x,y, z] = [7,2, -6] + s[2,1, -3] x=3+t 12 : y = 9 +5t z = 13 + 5t 2. Find the distance between two lines.[MARK 17] 21: [x,y, z] = [5, -4,-2] + s[1,2, 3] 12: [x,y,z] = [2,0, 1] + s[2, -1, -1]