Which of the following is a Pythagorean triple (x,y,z)(x, y, z)(x,y,z) satisfying x2+y2=z2x^2 + y^2 = z^2x2+y2=z2?
(3,4,6)(3, 4, 6)(3,4,6)
(5,12,13)(5, 12, 13)(5,12,13)
(6,8,9)(6, 8, 9)(6,8,9)
(7,24,26)(7, 24, 26)(7,24,26)