Find the distance of the point from the plane

Formula :

where () is point from which distance is to be calculated

Therefore ,

Plane can be written in cartesian form as

3x - 4y + 12z = 9

3x - 4y + 12z - 9 = 0

Point = (2i - j - 4k)

Which can be also written as

Point = ( 2 , - 1 , - 4 )

Distance