plz guy's slove this
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Note :
U = union
n = intersection
A = {1,2,4}
B = {3,5}
A U B
= {1,2,4} U {3,5}
= {1,2,3,4,5}
A n B
= {1,2,4} n {3,5}
= {} or ∅
A - B
= {1,2,4} - {3,5}
= {1,2,4}
B - A
= {3,5} - {1,2,4}
= {3,5}
Hope it helps
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