Person — François Viète (Vieta). Featured in chapters 09 · 10 · 36 Linked atoms 4 linked atoms. 09 Metodo di lavoro — come risolvere un problema Example — finding the path, the rectangle 10 Equazioni di secondo grado e fratte François Viète, the inventor of symbols Sum and product of the roots 36 Numeri complessi Generalised Vieta’s relations