The angle between the plane `2x-y+z=6 nand x+y+2z=3` is (A) `pi/3` (B) `cos^-1 1/6` (C) `pi/4` (D) `pi/6`

The angle between the planes 2x-y+3z=6 and x+y+2z=7 is

The acute angle between the planes 2x-y+z=6 and x+y+2z=3 is

What is the angle between the plane 2x-y+z=6 and x+y+2z=3 ?

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

The angle between the planes 2x-y+z=6 and x+y+2z=7 is (A) pi/4 (B) pi/6 (C) pi/3 (D) pi/2

Find the angle between the planes 2x - y + 3z = 6 and x + y +2z =7 .

What is the angle between two planes 2x-y+z=4 and x+y+2z=6 ?

If theta is the angel between the planes 2x-y+z-1=0 and x-2y+z+2=0 then costheta= (A) 2/3 (B) 3/4 (C) 4/5 (D) 5/6

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