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Question Number 167380 by MathsFan last updated on 14/Mar/22
 show that   A′ ∪ B′ ∪ C′ =(A∪B∪C)′
showthatABC=(ABC)
Commented by cortano1 last updated on 15/Mar/22
wrong
wrong
Commented by Rasheed.Sindhi last updated on 15/Mar/22
 A′ ∪ B′ ∪ C′ =(A∩B∩C)′                           or   A′ ∩ B′ ∩ C′ =(A∪B∪C)′
ABC=(ABC)orABC=(ABC)
Commented by MathsFan last updated on 15/Mar/22
 oh i see  thank you sir
ohiseethankyousir

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