PDF chapter test TRY NOW

P = \{1,2,5,7,9\}, Q = \{2,3,5,9,11\}, R = \{3,4,5,7,9\} மற்றும் S = \{2,3,4,5,8\} எனில்,
  
1) (P \cup Q) \cup R
 
P \cup Q =
 
(P \cup Q) \cup R =
 
2) ((P \cap Q) \cap S
  
P \cap Q  =  
 
((P \cap Q) \cap S =
  
3) (Q \cap S) \cap R
  
Q \cap S  =  
  
(Q \cap S) \cap R = 
Answer variants:
\{3,4,5,6,7,11\}
\{1,2,3,4,5,7,9,11\}
\{2,3,5\}
\{1,2,3,5,7,9,11\}
\{2,5\}
\{3,5\}
\{2,5,11\}
\{2,5,9\}