Question 639206
(3^-1-3^3)^2


(1/3^1-3^3)^2


(1/3-3^3)^2


(1/3-27)^2


(1/3-81/3)^2


(-80/3)^2


((-80)^2)/3^2


6400/9


So (3^-1-3^3)^2 = 6400/9