Math Chapter Wise The Plane And The Line (Cartesian And Vector) English MCQ UKPSC GIC 2018 Q.The distance between the parallel planes 2x – y + 2z +3 = 0 and 4x –2y + 4z + 5 = 0 is A1/6 B5/6 C1/3 D2/3 Show answer Correct answer: 1/6