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Mathematics, 20.10.2020 21:01 hidais
If P and Q are two sets where n(P∪Q)= 13,n(P∩Q)=6 and n(P)= 9,then n(Q)= *
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If P and Q are two sets where n(P∪Q)= 13,n(P∩Q)=6 and n(P)= 9,then n(Q)= *...
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