\f17. Find any possible solutions for the 3 planes below and explain geometrically what situation the planes are in. State any possible points/ lines of intersection. [6 marks] 4x - 2y + 2z = 2 3x - 5y + 4z = 3 3x + 2y - 1z = 0 18. Determine the point of intersection of the plane with vector equation r = (5,3,-2) + s(1, 3, 2) + +(2, 4, 0), s, t E R, and the y-axis. [3 marks] 19. Calculate the area of the parallelogram formed by the vectors a = (3,2, -2) and b = (2, -1,2) [3 marks]