Which of the following is a solution to x2+y2+z2=3xyzx^2 + y^2 + z^2 = 3xyzx2+y2+z2=3xyz (Markoff equation)?
(1,1,2)(1, 1, 2)(1,1,2)
(1,2,5)(1, 2, 5)(1,2,5)
(2,5,29)(2, 5, 29)(2,5,29)
(1,1,1)(1, 1, 1)(1,1,1)