Question HLPaper 2AnswerFind the Cartesian equation of plane Π\PiΠ containing the points C(6,2,1)C(6, 2, 1)C(6,2,1) and D(3,−1,1)D(3, -1, 1)D(3,−1,1) and perpendicular to the plane x+2y−z−6=0x + 2y - z - 6 = 0x+2y−z−6=0.