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If A={2,3,4,5,7},  B={1,2,4,7,9} then ((A~B)(B~A))A is equal to

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By Expert Faculty of Sri Chaitanya
a
{3,5}
b
{2,4}
c
{3,7}
d
{2,7}

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detailed solution

Correct option is A

((A~B)∪(B~A))∩A=((A~B)∩A)∪(B~A)∩A=(A−B)∪ϕ=(A~B)={3,5}


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If A, B and C are non-empty sets, then (A-B)(B-A) equals

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