Decades: 50s BC 40s BC 30s BC 20s BC 10s BC - 0s BC - 0s 10s 20s 30s 40s
9 BC 8 BC 7 BC 6 BC 5 BC 4 BC 3 BC 2 BC 1 BC 1 2
Births
Deaths
... The formula and its proof remain correct if the coefficients a, b and c are complex numbers, or more generally members of any field whose characteristic is not 2. (In ...