Which of the following planes are parallel but not identical?

MATHEMATICS · Single correct · IB Diploma Programme · Mathematics: Analysis and Approaches · Geometry and Trigonometry · Geometry and Trigonometry

Problem

Which of the following planes are parallel but not identical? P1:4x−2y+6z=3P_1 : 4x - 2y + 6z = 3 P2:4x−2y−2z=6P_2 : 4x - 2y - 2z = 6 P3:−6x+3y−9z=5P_3 : -6x + 3y - 9z = 5 P4:2x−y−z=3P_4 : 2x - y - z = 3 (1) P2P_2 and P3P_3 (2) P2P_2 and P4P_4 (3) P1P_1 and P3P_3 (4) P1P_1 and P4P_4

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