Let P = (1, -2,3); Q = (3,-2, 4); R = (2,-1,5) & S = (5,0,-2). Answer each of the following: (1) (ii) (iii) (iv) Use cross product to find the area of the triangle PQR; Find an equation of the plane containing the points P, Q & R; Find an equation of the line perpendicular to the lines PQ & RS and contains the point which divides the line segment QR in the ratio 2 : 3; Find the distance of the point R from the line PS;