Specialist Mathematics Β· Unit 3 Β· Further complex numbers Β· Factorisation of polynomials

Solve polynomial equations over β„‚ to order 4 including those with real and imaginary coefficients, e.g. solve 𝑧4 + 𝑧3 βˆ’ 𝑧2 + 𝑧 βˆ’ 2 = 0 and 𝑧3 βˆ’ 2𝑖 𝑧2 + 𝑧 βˆ’ 2𝑖 = 0.

Learning objective 2 of 3 in this subtopic