Level:
Project ID:
1003067705
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 \( 2\cdot z_1 + 3\cdot z_2- 4\cdot z_3 \).
\( -1 + 2\mathrm{i} \)
\( 7 + 2\mathrm{i} \)
\( 11 + 26\mathrm{i} \)
\( -1 + 26\mathrm{i} \)