If A and B are finite sets and A sub B...

If A and B are finite sets and `A sub B` then

A

`n(AcupB)=n(A)`

B

`n(AcapB)=n(B)`

C

`n(AcupB)=n(B)`

D

`n(AcapB)=phi`

Verified by Experts

The correct Answer is:

D

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