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

FJDU asked Jan 15, 2023

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FJDU asked Jan 15, 2023

by FJDU

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23 votes

Answer:

Explanation:

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

Sijith answered Jan 19, 2023

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