1.

Consider the following statements : For any two sets A and B (1)(A-B) uuB=A (2) (A-B)uu A=A (3) (A-B) nnB=phi (4) AsubeBrArrAuuB=B of these statements:

Answer»

1, 2, 3 are correct
2, 3, 4 are correct
1,3, 4 are correct
1,2,4 are correct

Answer :B


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