MathematicsHard249×since 2002Q2553The distance of the point (1, − 2, 4) from the plane passing through the point (1, 2, 2) and perpendicular to the planes x − y + 2z = 3 and 2x − 2y + z + 12 = 0, is :A222\sqrt 222B2C2\sqrt 22D12{1 \over {\sqrt 2 }}21Check answerSkip