Which of these is a solution to x+y=z2x + y = z^2x+y=z2 where x,y,zx, y, zx,y,z are positive integers?
x=1,y=2,z=2x=1, y=2, z=2x=1,y=2,z=2
x=1,y=2,z=3x=1, y=2, z=3x=1,y=2,z=3
x=2,y=2,z=4x=2, y=2, z=4x=2,y=2,z=4
x=1,y=1,z=1x=1, y=1, z=1x=1,y=1,z=1