MathDB

L2.1

Part of 2022 CCA Math Bonanza

Problems(1)

Don't really see how the duck part is relevant

Source:

4/28/2022
Given that a duck found that 5−23i5-2\sqrt{3}i is one of the roots of −259+107x−17x2+x3-259 + 107x - 17x^2 + x^3, what is the sum of the real parts of the other two roots?
2022 CCA Math Bonanza Lightning Round 2.1