Matematika peminatan

F(2) = 1
F(3) = 1/-1

F(-4) = 1/81
F(-2) = 1/9

F(2) = 9
F(1) = 1/2 + 2 = 5/2 = 2 1/2
F(3) = 1/8 + 8 = 67/8 = 8 1/2

F(2) = 4+9 = 13
F(3) = 8 + 27 = 35

F(2) = 1/9 - 9 = 80/9 = 8 8/9