উক্তিগুলো লক্ষ কর:

i. A' ∩ B' = (A ∪ B)' 

ii. A ∪ (B ∩ C) = (A ∪ B) ∪ (A ∪ C)

iii. n (C) = 4 

নিচের কোনটি সঠিক?

Created: 3 months ago | Updated: 1 month ago

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