Question

Find all roots of the polynomial
p(x)= x^4 - 5x^3 + 7x^2 - 5x + 6 ; i

Answer 1

The roots of p(z) are z = i, 2.91367 + 0.600499i, 1.22097 - 0.362212i, 0.306704 + 1.53771i.