TeX Quellcode:
\dfrac{11-8i}{-4i} \; = \; \dfrac{(11-8i)i}{(-4i)i} \; = \; \dfrac{11i-8i^2} {-4i^2} \; = \; \dfrac{11i+8}{4} \; = \; 2 + \dfrac{11}{4}i