Pls solve the question Share with your friends Share 0 Kavita Verma answered this Dear Student, x+y+zx-1y-1 + y-1z-1 + z-1x-1= x+y+z1xy + 1yz + 1zx=x+y+zz+x+yxyz= xyz × x+y+zx+y+z= xyz = RHSHense proved Regards, 0 View Full Answer