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Pls help someone pls pls help I have exam tomorrow
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5 votes
Pls help someone pls pls help I have exam tomorrow

Pls help someone pls pls help I have exam tomorrow-example-1
User Teddy
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5 votes

Answer:


n(A \cup \: B) = n(A) + n(B) - n(A \cap \: B)\\ = 9 + 11 - 5 = 15 \\

User Jyanks
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