Q. 124.3( 3 Votes )

Find <a name="_Hl

Answer :

(i) R = {(1, 2), (1, 3), (2, 3), (3, 2), (4, 5)}


R–1 = {(2, 1), (3, 1), (3, 2), (2, 3), (5, 4)}


(ii) R = {(x, y) : x, y ϵ N, x + 2y = 8}.



Put x = 2, y = 3


Put x = 4, y = 2


Put x = 6, y = 1


R = {(2, 3), (4, 2), (6, 1)}


R–1 = {(3, 2), (2, 4), (1, 6)}


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