JEE Main 2021 Mathematics question
The equation of the planes parallel to the plane x – 2y + 2z – 3 = 0 which are at unit distance from the point (1, 2, 3) are ax + by + cz + d = 0. If (b – d) = K(c – a), then the positive value of K is
Answer: 4
The equation of the planes parallel to the plane x – 2y + 2z – 3 = 0 which are at unit distance from the point (1, 2, 3) are ax + by + cz + d = 0. If (b – d) = K(c – a), then the positive value of K is