Question:U = {a, b, c, d, e}, A = {a, c, e} হলে--- i. (A) = A ii. n(A) = 2 iii. A = A -U নিচের কোনটি সঠিক? 

A i ও ii 

B ii ও iii 

C i ও iii 

D i, ii ও iii 

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