Let `A={a , b , c , d}a n df: AvecA` be given by `f={(a , b),(b , d),(c , a),(d , c)},` write `f^(-1)dot`

Answer

N/a

Explanation

Given that, A = {a, b, c, d}
and f = {(a, b), (b,d), (c, a), (d, c)}
`f^(-1)` = {(b, a), (d, b), (a, c), (c, d)}