SubArea: Complex numbers in algebraic and polar formLevel: AProject ID: 9000031203Source Problem: 9000031202Accepted: 1Clonable: 1Easy: 0Find the real part of the complex number \(z = \frac{2-\mathrm{i}} {2+\mathrm{i}}\).\(0.6\)\(0.8\)\(- 0.8\)\(1\)
