Let $z=3-4i$ and $w=5+2i$. State the respective values of $\mathrm{Re}(z)$, $\mathrm{Im}(z)$

Question

Let $z=3-4i$ and $w=5+2i$. State the respective values of $\mathrm{Re}(z)$, $\mathrm{Im}(z)$; and $\mathrm{Re}(w)$, $\mathrm{Im}(w)$.

Accepted Answer

(i) $\mathrm{Re}(z) = 3$ \text{ and } $\mathrm{Im}(z) = -4$, (ii) $\mathrm{Re}(z) = 5$ \text{ and } $\mathrm{Im}(z) = 2$.

Complex Numbers - Introduction to Complex Numbers