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If mu is the universal set and P is a su...

If `mu` is the universal set and P is a subset of `mu` then what is `Pnn(P-mu)uu(mu-P)` equal to

A

`phi`

B

P'

C

`mu`

D

P

Text Solution

Verified by Experts

The correct Answer is:
A
Since `mu` is universal set
and `Psubemu, P-mu = phi and mu-P=P'`
So, `(P-mu)uu(mu-P)=phi uu P'=P'`
Now, `Pnn{(P-mu)uu(mu-P)}=PnnP'=phi`
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