Question

If A and B are two sets then (A U B')' U (A' U B)' is
(a) Null set
(b) Universal set
(c) A'
(d) B'
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Answer 1

Step-by-step explanation:

option A

Null set...!!!!

it's bcoz (AUB')' = A' which means except A set.... which is equal to nothing or empty set

(A'UB)' = B' means leaving B set.... so

A'UB' = Null set....!!!!

hope it helps you....☺☺

Answer 2

Step-by-step explanation:

Null set....!!!!

option A.....!!!!