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567

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

Decades: 510s - 520s - 530s - 540s - 550s - 560s - 570s - 580s - 590s - 600s - 610s

Years: 562 563 564 565 566 567 568 569 570 571 572


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Quadratic formula

... term b2 – 4ac is called the discriminant of the quadratic equation, because it discriminates between three qualitatively different cases: ...

 
 
 
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