1.

 If A = {1, 2, 3} and B = {3, 4}, then (A È B) ´ (A Ç B) is:

A. {3, 3}
B. {(1, 3), (2, 3), (3, 3), (1, 4), (2, 4), (3, 4)}
C. {(1, 3), (2, 3), (3, 3)}
D. {(1, 3), (2, 3), (3, 3), (4, 3)}
Answer» E.


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