Set Intersection/Examples/2 Arbitrarily Chosen Sets of Complex Numbers 2

Example of Set Intersection

Let:

\(\ds A\)

\(=\)

\(\ds \set {3, -i, 4, 2 + i, 5}\)

\(\ds C\)

\(=\)

\(\ds \set {-\sqrt 2 i, \dfrac 1 2, 3}\)

Then:

$A \cap C = \set 3$

Sources

• 1981: Murray R. Spiegel: Theory and Problems of Complex Variables (SI ed.) ... (previous) ... (next): $1$: Complex Numbers: Solved Problems: Point Sets: $46 \ \text {(c)}$