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if the Relation R has ( A B ) + = { A , B , C , D , E , F } (

if the Relation R has
(AB)+={A,B,C,D,E,F}
(AC)+={B,A,C,D,E,F}
then the prime attributes are
A.A,C
B.A,B,C,D,E,F
C.A,B,C
D.A,B
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