The equations of the bisectors of the angles between the planes 3x – 6y + 2z + 5 = 0, 4x – 12y + 3z - 3 = 0 is

Find the equation of the bisector planes of the angles between the planes 2x — y + 2z + 3 = 0 and 3x — 2y + 6z + 8 = 0 and specify the plane which bisects"the acute angle and the plane which bisects the obtuse angle.

Find the equations of the bisector of the acute angle between the lines 3x + 4y + 2 = 0 and 5x + 12y - 5 = 0 .

Equation of the bisector of the angle between the planes x+2y+2z-9=0,4x-3y+12z+13=0