If A = {a, b, c, d} and the function f = {(a, b), (b, d), (c, a), (d, c)}, write f –1 .

Question

Philoid · Accepted Answer

We have, f = {(a, b), (b, d), (c, a), (d, c)}

We can get f^-1 by interchanging the components of ordered pairs in f

∴ f^-1 = {(b, a), (d, b), (a, c), (c, d)}