JEE Main 2023 Mathematics question
Let the plane P pass through the intersection of the planes 2x + 3y – z = 2 and x + 2y + 3z = 6, and be perpendicular to the plane 2x + y – z + 1 = 0. If d is the distance of P from the point (–7, 1,1), then is equal to :
Answer: (D)