A) 1 and 3
B) 2 only
C) 2 and 3
D) 1 and 2
Correct Answer: D
Solution :
\[A-B=A-(A\cap B)\] is correct. \[A=(A\cap B)\cup (A-B)\] is correct. (3) is false. \ (1) and (2) are true.You need to login to perform this action.
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