Question

If A ∪ B = ∅, then ________(a) A ≠ ∅ and B ≠ ∅
(b) A = ∅ and B ≠ ∅(c) A ≠ ∅ and B = ∅
(d) A = ∅ and B = ∅

Answer 1

Hi ,

If A U B = { } , then

A = { } and B = { }

option ( d ) is correct

I hope this helps you.

: )