Question

II. 1. If zı = (6, 3); z2 = (2, - 1) find zı / z2 from complex numbers
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Answer 1

Answer:

$\frac{z_1}{z_2} = \frac{9}{5} + \frac{12}{5}i$

Step-by-step explanation:

Given :

z_1/z_2 = (6 + 3i)×(2 + i)/(2 - i)×(2 + i)

= (12 + 6i + 6i + 3i^2)/(2 - i^2)

= (12 - 3 + 12i)/(4 + 1)

= (9 + 12i)/5

= 9/5 + (12 i /5)