Centuries: 4th century - 5th century - 6th century
Decades: 420s 430s 440s 450s 460s - 470s - 480s 490s 500s 510s 520s
Years: 465 466 467 468 469 - 470 - 471 472 473 474 475
Births
Deaths
... a perfect square; it is the square of (x + b/(2a)). The right side can be written as a single fraction; the common denominator is 4a2. W ...