If `P_1` = `((1 2 3),(2 1 3))` is a member of the set `S_3` , the set of all permutations of three elements 1,2,3 then the inverse permutation of `P_1` is
`((1, 2, 3),(2, 1, 3))`
`((1,2,3),(2,3,1))`
`((1,2,3),(1,2,3))`
`((1,2,3),(3,2,1))`
i didn't understand the question