Redirected from 571 BC
Decades: 620s BC 610s BC 600s BC 590s BC 580s BC - 570s BC - 560s BC 550s BC 540s BC 530s BC 520s BC
Significant People
... x2 + 2xy + y2. Since "2xy" in this case is (b/a)x, we must have y = b/(2a), so we add the square of b/(2a) to both sides, ...