ID: Class: 11 Subject: Math Topic: Complex number and quadratic equation Type: Subjective

Question:

Let $z_1 = 2 - i$, $z_2 = -2 + i$. Find (i) Re$(\frac{z_1 z_2}{\overline{z}_1})$ (ii) Im$(\frac{1}{z_1 \overline{z}_1})$.