Show that the distance between planes `2x-2y+z+3=0 and 4x-4y+2z+5=0 is 1/6`

The distance between the planes x+2y-2z+1=0 and 2x+4y-4z+5=0 , is

Find the distance between the planes 2x-y+2z=4 and 6x-3y+6z=2.

The distance between the planes 2x+2y-z+ 2=0\ a n d\ 4x+4y-2z+5=0 is a. 1/2 b. 1/4' c. 1/6 d. none of these

What is the distance between the planes x-2y+z-1=0 and -3x+6y-3z+2=0 ?

Find the distance between the planes x+2y+3z+7=0 and 2x+4y+6z+7=0 .

What is the angle between the planes 2x-y-2z+1=0 and 3x-4y+5z-3=0 ?

What is the angle between the plane 2x-y-2z+1=0 and 3x-4y+5z-3=0 ?