The distance between the parallel planes `4x-2y+4z+9=0 and 8x-4y+8z+21=0` is (A) `1/4` (B) `1/2` (C) `3/2` (D) `7/4`

Find the distance between the parallel planes x+y−z+4=0 and x+y−z+5=0.

Find the distance between the parallel planes x+y-z+4=0a n dx+y-z+5=0.

The distance between parallel planes 2x+y-2z-6=0 and 4x+2y-4z=0 is______units.

Find the distance between the parallel planes x+2y-2z+1=0a n d2x+4y-4z+5=0.

Find the distance between the parallel planes 2x-y+2z+3=0a n d4x-2y+4z+5=0.

Find the distance between the parallel planes 2x-y+2z+3=0a n d4x-2y+4z+5=0.

The distance between parallel planes 2x+y-2z-6=0 and 4x+2y-4z=0 is ______ units.

Distance between the two planes 2x+3y +4z =4 and 4x+6y +8z=12 is

The distance between the parallel planes x+2y-3z=2 and 2x+4y-6z+7=0 is (A) 1/sqrt(14) (B) 11/sqrt(56) (C) 7/sqrt(56) (D) none of these

Distance between two parallel planes 2x+y+2z=8 and 4x+2y+4z+5=0 is