3 Determine the intersection if any between the following three planes Give geometrical interpretation of the situation Explain how many solutions the situation has one unique solution infinite solutions or no solution The plane that contains the points R 2 1 3 S 1 2 1 and T 1 5 4 The plane with the normal 1 1 1 and that contains the point 2 1 2 The plane 2 4 4 s 1 3 0 0 1 1