1003067706

SubArea: 
Complex numbers in algebraic and polar form
Level: 
A
Project ID: 
1003067706
Accepted: 
1
Clonable: 
1
Easy: 
0
Given complex numbers \( z_1 = -2 + \mathrm{i} \), \( z_2 = 1 - 4\mathrm{i} \) and \( z_3 = -3\mathrm{i} \), find \(\frac{z_1\cdot z_2}{3\cdot z_3}\).
\( -1 + \frac29\mathrm{i} \)
\( -1 - \frac29\mathrm{i} \)
\( 1 + \frac29\mathrm{i} \)
\( 1 - \frac29\mathrm{i} \)