AS June 2020 Paper 1 Q2
2 Given that \(1 - \mathrm{i}\) is a root of the equation \(z^3 - 3z^2 + 4z - 2 = 0\), find the other two roots.
Tick (✓) one box. [1 mark]
- \(-1 + \mathrm{i}\) and \(-1\)
- \(1 + \mathrm{i}\) and \(1\)
- \(-1 + \mathrm{i}\) and \(1\)
- \(1 + \mathrm{i}\) and \(-1\)
| Scheme | Marks | AO |
|---|---|---|
| Ticks correct box. | B1 | 1.2 |
| (1 mark) |
Typical solution
\(1 + \mathrm{i}\) and \(1\)