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  • If the set <img alt="A{}'= \left \{ {3,5,7} \right \}\: \: and\: \: B{}'= \left \{1,5,9 \right \}\: \: Then \: \: the\: \: set\: \: \left ( A\cup B \right ){}'=" src="http://entrancecorner.onc

If the set A{}'= \left \{ {3,5,7} \right \}\: \: and\: \: B{}'= \left \{1,5,9 \right \}\: \: Then \: \: the\: \: set\: \: \left ( A\cup B \right ){}'=

Option: 1

{1,3,5,7,9}


Option: 2

{5,7}


Option: 3

{5}


Option: 4

{1,5,9}


Answers (1)

best_answer

As we learnt

De Morgans’s Law

(A ∪ B)′ = A′ ∩ B′

 

Now,

As (A ∪ B)′ = A′ ∩ B′

The intersection of A' and B' is {5}

 

Posted by

vishal kumar

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