if A={1,2,3,4} ; B={1,2,3,5,6} then find A intersection B and B intersection A.Are they equal?
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A U B={1,2,3,4} U {1,2,3,5,6} = {1,2,3}.
B U A ={1,2,3,5,6} U {1,2,3,4}={1,2,3} . So A U B=B U A
and thus they are equal. Hope it helps you... Mark me as Brainliest.
B U A ={1,2,3,5,6} U {1,2,3,4}={1,2,3} . So A U B=B U A
and thus they are equal. Hope it helps you... Mark me as Brainliest.
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