Question

Which one of the following is not correct?
1. A-B= A-(A n B)
2. A-B= (A u B)-B
3. (A u B)= A+B+(A n B)
4. B-A= B- (A n B)

Answer 1

Answer:

4 part B-A=B-(A n B)

Step-by-step explanation:

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