Centuries: 5th century - 6th century - 7th century
Decades: 460s - 470s - 480s - 490s - 500s - 510s - 520s - 530s - 540s - 550s - 560s
Years: 510 511 512 513 514 515 516 517 518 519 520
Events and Trends:
... our quadratic equation by a, we have <math> x^2 + \left( \frac{b}{a} \right) x + \frac{c}{a}=0 </math> which is equivalen ...