## Encyclopedia > 1804

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# 1804

Years: 1799 1800 1801 1802 1803 - 1804 - 1805 1806 1807 1808 1809

Events

Arts and Culture

Births

Deaths

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 Quadratic formula ... \pm \sqrt {b^2-4ac}}{2a} [/itex] The term b2 – 4ac is called the discriminant of the quadratic equation, because it discriminates between three ...