A) \[A\cup B\]
B) \[A\cap B\]
C) A
D) B
Correct Answer: A
Solution :
[a]Since, A and B are subsets of set X therefore \[A\subseteq X\,\,and\,\,B\subseteq X\] Consider \[\{(A\cap (X-B)\}\cup B\] \[=(A\cap B')\cup B\] \[=A\cup B\] \[(\because \,\,B'\cap B=B)\]You need to login to perform this action.
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