Find the plane which bisects the obtuse angle between the planes `4x-3y+12z+13=0 and x+2y+2z=9`

The equation of the line which bisects the obtuse angle between the lines x - 2y + 4 = 0 and 4x - 3y + 2 = 0, is

The equation of the line which bisects the obtuse angle between the line x-2y+4=0 and 4x-3y+2=0 is

The equation ofthe plane which bisects the angle between the planes 3x-6y+2z+5=0 and 4x-12y+3z-3=0 which contains the origin

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

Find the angle between the planes -x+y+2z=9 and x+2y+z=5

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

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

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

Find the angle between the planes x-y+2z=9 and 2x+y+z=7 .