Lodovico Ferrari


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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Ferrari, Lodovico

 

Born Feb. 2, 1522, in Bologna; died there 1565. Italian mathematician.

A student of G. Cardano’s, Ferrari discovered a method for solving fourth-degree algebraic equations through the introduction of an auxiliary unknown whose value is obtained from a cubic equation derived from the given equation. The method was published by Cardano in 1545.

REFERENCE

Struik, D. J. Kratkii ocherk istorii matematiki, 2nd ed. Moscow, 1969. (Translated from German.)
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.