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Divers ouvrages (1693)

Roberval, Gilles Personne de, 1602-1675 · [Paris : s.n.] · leaf 232

An illustration from Divers ouvrages, 1693, leaf 232
pfius DE , a-, actandem ipfius BE, e -, undc rcctanguli CEB fpecies erit fe e^. At in omni ellipfi , ut diameter BC ad latus redum AB, ira rcdangulum CEB ad quadratum DE ; itaque in fpecicbus, ut /ad ^, ira fe e^ad a^ : hinc «quatio i>fe i> e ^ y>fa % five bfe b e *—fa. ^y^ 0.. Di… … K B Ex ejufmodi ergo aequationibus femper elliplîm cori-cludere licebit, cujus latus redum erit ^, diameter f,ordinata ad diamctrum a , vel quarcunque ipfam a in^quatione referet, ac tandem intercepta inter ordinâ-tam 8c verticem erit e, vel qua;cunque ipfam e in arqua-tione referet. Immb , dabitur…

Geometry · Mathematics

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