Question

If A and B are two non-empty sets then
An (A - B) is not equal to
(1) A- (An B)
(2) A - B
(3) (A U B) – (An B)
(4) (A U B) – B​

Answer 1

Answer:

(1) A - (A n B)

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Answer 2

Answer:

I think so 3 part please make me brilliant