Question

A={1,2,3,4},B={3,4,5,6}andC={1,2,4,6,7},then find (AUB)UC

Answer 1

Answer:

{1,2,3,4,5,6,7}.

Step-by-step explanation:

[{1,2,3,4}U{3,4,5,6}]U{1,2,4,6,7}

={1,2,3,4,5,6}U{1,2,4,6,7}

={1,2,3,4,5,6,7}.