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Let $A,B$ and $C$ be three non empty sets. Consider the two relations given below:

• $A-(B-C)=(A-B)\cup C$
• $A-(B\cup C)=(A-B)-C$
1. Both (1) and (2) are correct.
2. (1) is correct but (2) is not.
3. (2) is correct but (1) is not.
4. Both (1) and (2) are incorrect.

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