Question

A=(1,3,5.7,9)
B= (2,4,6,8,10)
C= (1,5,6,7,9)
A intersects (B intersects C)=

Answer 1

`A \cap (B \cap C) =`

`= A \cap (\{2, 4, 6, 8, 10\} \cap \{1, 5, 6, 7, 9\})`

`= \{1, 3, 5, 7, 9\} \cap \{6\}`

`= \{~\}`

Answer 2

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