If A-1-2-3-4- B-3-4-5-6 and C-1-2-4-6-7 then find A-B- C

We have, B∪ C={3,4,5,6}∪ {1,2,4,6,7} #160; ={1,2,3,4,5,6,7} A∪(B∪ C)={1,2,3,4}∪{1,2,3,4,5,6,7} ={1,2,3,4,5,6,7} ...

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Union

If A=1,2,3,...

Question

If $A = {1, 2, 3, 4}, B = {3, 4, 5, 6}$ and $C = {1, 2, 4, 6, 7}$ then find $A \cup (B \cup C)$

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Similar questions

A = {1, 2, 3, 4}, B = {3, 4, 5, 6}

C = {1, 2, 4, 6, 7}

A \cap (B \cap C)

A = {1, 2, 3, 4}

B = {2, 4, 6, 8}

C = {3, 4, 5, 6}

A - (B \cap C)

= {1, 2, 3, 4}

= {3, 4, 5, 6}

= {6, 7}

\cap

\cap

\cap

\cap

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