Question

A = {1,2,3,4} B= {3,4,5,6}

Answer 1

AUB={1,2,3,4,5,6}

A^B={3,4}

A-B={1,2}

B-A={5,6}

A∆B={1,2,5,6}

A×B={(1,3;(1,4);(1,5);(1,6);(2,3);(2,4);(2,5);

(2,6);(3,3);(3,4);(3,5);(3,6);(4,3);(4,4);

(4,5);(4,6)}

BxA={(3,1);(3,2);(3,3);(3,4);(4,1);(4,2);(4,3);(44);

(5,1);(5,2);(5,3);(5,4);(6,1);(6,2);(6,3);(6,4)}

si U=R

==>

A'=R-{1,2,3,4}

B'=R-{3,4,5,6}

(AUB)'=R-{1,2,3,4,5,6}

(A^B)'=R-{3,4}

(A-B)'=R-{1,2}

(B-A)'=R-{5,6}

(A∆B)'=R-{1,2,5,6}

n[P(A)]=2^4=16

n[P(B)]=2^4=16

etc,etc,etc..

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