Which set of integers is not a pythagorean triple?
a)12, 16, 20
b)10, 24, 26
c)14, 48, 50
d)27, 32, 45

36x2 + 49y2 = 1,764 the foci are located at: (-√13, 0) and (√13,0) (0, -√13) and (0,√13) (-1, 0) and (1, 0)edit: the answer is (- the square root of 13, 0) and (the square root of 13, 0)