Tag: analisi complessa

Given a complex w and a positive natural number n, we say that z is the nth root of w if zⁿ=w. We set: ⁿ√w = { z ∈ ℂ : zⁿ=w} that is, ⁿ√w is the set of n-th roots of w. From the fundamental theorem of algebra there are exactly n n-th roots…