\fd) [2K] Let TF4 be a fourth plane that passes through the points AH, I], 1), 3(2, 1,1} and C(3, 4, 2}. Find the Cartesian equation of 1174. e} [3A] Find the intersection of TF1 and in, {if it exists}. 1") [3A] Find the distance between in; and airs : 81* + 169' 222 = 5. g) [2K] Find the angle between 1172 and 1T3