Marcus Aurelius Claudius Quintillus was brother of the Roman Emperor Claudius II, and Emperor in 270. The few records of his reign are contradictory: they disagree on the length of his reign (from a few days to a few months) and on the cause of his death. They do agree on the fact he died at Aquileia.
... then there are two different solutions x, both of which are complex numbers. The two solutions are complex conjugates of each other. (In this case, the parabola does ...