JEE Main 2023 Mathematics question
Let the image of the point P(2, –1,3) in the plane x + 2y – z = 0 be Q. Then the distance of the plane 3x + 2y + z + 29 = 0 from the point Q is
Answer: (D)
Let the image of the point P(2, –1,3) in the plane x + 2y – z = 0 be Q. Then the distance of the plane 3x + 2y + z + 29 = 0 from the point Q is