If `theta` is the angle between the planes `2x-y+2z=3` and `6x-2y+3z=5`, then `cos theta=?`

Find the angle between the planes 2x+y-2z+3=0a n d 6x−2y+3z=5

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

Find the angle between the plane: 3x-6y+2z=7 and 2x+2y-2z=5

Find the angle between the plane: 3x-6y+2z=7 and 2x+2y-2z=5

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

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

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 angle between the plane: 2x+y-2z=5 and 3x-6y-2z=7