Question:যদি A = {2, 3, 4, 8, 10}, B = {3, 4, 5, 10, 12}, C = {4, 5, 6, 12, 14} হয় তাহলে `(AuuB) nn (AuuC)` = কত? 

A {2, 3, 4, 5, 8, 10, 12} 

B {2, 4, 8, 10, 12} 

C {2, 8, 10, 12} 

D {2, 8, 10} 

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