Answers

2016-04-16T08:12:52+05:30
We can rewrite this as
AU(B\A)
Let us take A={1,2,3} B={3,4,5}
= {1,2,3}U{4,5}
AU(B\A)={1,2,3,4,5}——1
Where as AUB={1,2,3,4,5}——2
From one and two we can pt AU(B\A)=AUB
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