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If A and B are two finite sets, then whi...

If A and B are two finite sets, then which of the following is correct ?

A

`n(A-B) =n (A) -n (AnnB)`

B

`n (A-B)= n (A) -n(B)`

C

`n(A-B) =n(B-A)`

D

`n (A-B) =n(B)-n(AnnB)`

Text Solution

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The correct Answer is:
A
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