| Exam Board | OCR |
|---|---|
| Module | FP1 (Further Pure Mathematics 1) |
| Paper | Download PDF ↗ |
| Mark scheme | Download PDF ↗ |
| Topic | Complex Numbers Arithmetic |
4 Use an algebraic method to find the square roots of the complex number 21-20i.
\hfill \mbox{\textit{OCR FP1 Q4}}