मानलो `A = {x, y, z}` तथा `B = {1, 2, 3}` और
`R = {(x, 2), (y, 3), (z, 1), (z, 2)}` हो तो `R^(-1)` ज्ञात कीजिए।

Explanation

जब `R = {(x, 2), (y, 3), (z, 1), (z, 2)}` दिया हो तब
`R^(-1) = {(2, x), (3, y), (1, z), (2, z)}`