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Find​ n(S ∩ ​T) given that ​n(S)=6​, ​n(T)=9 and​ n(S ∪ ​T)=15.
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3 votes
Find​ n(S ∩ ​T) given that ​n(S)=6​, ​n(T)=9 and​ n(S ∪ ​T)=15.

User Spy
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1 Answer

3 votes

Answer:

0

Explanation:


n(S \cup T)=n(S)+n(T)-n(S \cap T) \\ \\ 15=15-n(S \cap T) \\ \\ n(S \cap T)=0

User Chuck
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