Complex Analysis: Theory and Applications · Problem 1.1.6

Complex Numbers — Howell & Matthews

Mathematics — Complex Analysis · cardano-substitution-cubic

Problem

Use Cardano's technique (of substituting z=x−a23z = x - \frac{a_2}{3}) to solve the following cubics. (a) z3−6z2−3z+18=0z^3 - 6z^2 - 3z + 18 = 0. (b) z3+3z2−24z+28=0z^3 + 3z^2 - 24z + 28 = 0.

Browse the problem library