Let WWW be the span of {(1,0,1),(0,1,1)}\{(1, 0, 1), (0, 1, 1)\}{(1,0,1),(0,1,1)} in R3\mathbb{R}^3R3. What is the equation of the plane WWW?
x+y−z=0x + y - z = 0x+y−z=0
x−y+z=0x - y + z = 0x−y+z=0
x+y+z=0x + y + z = 0x+y+z=0
x−y−z=0x - y - z = 0x−y−z=0