Teaching AP DSC School Assistant 2025 Mock Test Series Mathematics Three Dimensional Geometry Distance from a Plane
The plane 2x - 2y + z + 12 = 0 touches the sphere x2 + y2 + z2 - 2x - 4y + 2z - 3 = 0 at the point
1
(1, -4, -2)
2
(-1, 4, -2)
3
(-1, -4, 2)
4
(1, 4, -2)