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561

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

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

Years: 556 557 558 559 560 561 562 563 564 565 566


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Quadratic formula

... the usual form of the quadratic formula is not ideal. See Loss of significance for details. Derivation The quadratic formula is derived by the method of ...

 
 
 
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