(A) ∅
(B) { (1, 3 ) , ( 0 , 1 ) }
(C) { ( 0 , 2 ) , ( 1 , 2 ) }
(D) { ( 2 , 3 ) , ( 1 , 1 ) }
Answer: (C) { ( 0 , 2 ) , ( 1 , 2 ) }
(A) ∅
(B) { (1, 3 ) , ( 0 , 1 ) }
(C) { ( 0 , 2 ) , ( 1 , 2 ) }
(D) { ( 2 , 3 ) , ( 1 , 1 ) }
Answer: (C) { ( 0 , 2 ) , ( 1 , 2 ) }