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1. |
If \[A=[x:x\] is a multiple of 3] and \[B=[x:x\] is a multiple of 5], then A - B is (\[\bar{A}\] means complement of A) [AMU 1998] |
A. | \[\bar{A}\cap B\] |
B. | \[A\cap \bar{B}\] |
C. | \[\bar{A}\cap \bar{B}\] |
D. | \[\overline{A\cap B}\] |
Answer» C. \[\bar{A}\cap \bar{B}\] | |