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528

Centuries: 5th century - 6th century - 7th century

Decades: 470s - 480s - 490s - 500s - 510s - 520s - 530s - 540s - 550s - 560s - 570s

Years: 523 524 525 526 527 528 529 530 531 532 533


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Quadratic formula

... a perfect square trinomial of the form 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, ...

 
 
 
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