1 over 3^-2,3^-4,1^-2
Since x-2 = 1/x2, 1/x-2 = x2
Now, since 1/x-2 = x2,
---> 1/3-2 = 32 = 9
---> 1/3-4 = 34 = 81
---> 1/1-2 = 12 = 1