If (2 to the power of X)(2 to the power of Y) and (9 to the power of X) (3 to the power of Y) = 81 then (X,Y) =
(1,2)
(2,1)
(1,1)
(2,2)
(1,3)
(1,2)
(2,1)
(1,1)
(2,2)
(1,3)