# Set Union/Examples/2 Arbitrarily Chosen Sets of Complex Numbers

 $\displaystyle A$ $=$ $\displaystyle \set {3, -i, 4, 2 + i, 5}$ $\quad$ $\quad$ $\displaystyle B$ $=$ $\displaystyle \set {-i, 0, -1, 2 + i}$ $\quad$ $\quad$
$A \cup B = \set {3, -i, 0, -1, 4, 2 + i, 5}$