SubArea: Complex numbers in algebraic and polar formLevel: AProject ID: 9000031206Accepted: 1Clonable: 1Easy: 0Find the opposite number to the complex number \(z = \frac{1+\mathrm{i}} {1-\mathrm{i}}\).\(-\mathrm{i}\)\(1\)\(- 1\)\(\mathrm{i}\)
