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Question

If m is the universal set and P is a subset of m, then what is PP-mm-P equal to?


A

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B

P'

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C

m

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D

P

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Solution

The correct option is A


The explanation for the correct option

It is given that m is the universal set and P is a subset of m.

As P is a subset of m, thus P-m=, where denotes a null set.

As m is the universal set, thus m-P=P', where P' denotes the complement of P.

So, PP-mm-P=PP'

PP-mm-P=PP'PP-mm-P=

Therefore, PP-mm-P is equal to .

Hence, (A) is the correct option.


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