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# Title: Qua Continentur, Oratio Inauguralis. Mathesis Universalis; sive, Arithmeticum opus Integrum, tum Numerosam Arithmeticam tum Speciosam complectens. Adversus Meibomii, de Proportionibus Dialogum, Tractatus Elencticus (shelfmarks Leibn. Marg. 84:1, Stück 1; Leibn. Marg. 84:1)
# Folio 19, page id 826603459:0465
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DEDTEATIO
e) ad hanc FOrmaM AC = B9A = = DC, vel ad hanc reduci
AC F B9A L L DC.
Hujulmodi rerocso AEquaciones Cubicas; ad00q; Coluru dif-
ficiliores, memini moolim conacum (exereicii gracis, portu
quam Analyeices rudimenta imbiberim) ad guadearicas reduce.
re. Idque hac methodo.
POCEIS Z = A + B. A = AF, 7 = A C+ F C.
ErIEs ZC = ACt ECFZAAE +3AEF = Z F3AZ.
Adeogi Z C on 3 L  Z.
Item POsEIs  = A = B. Z L AC m FC.
ErIE XC = AC _ E C n 3AAF L3AEF I Z r. 3 A X.
adeog; X c F 3F X = X.
In sEguacionibus itaque cubicis ad hanc Formam consiturie,
ZC 3AZ in T, animadrercebam, sEquationis redicem Z,
esse summam duarum quansitatum AP. guarum rechangulum A (ter-
ria pars cdefficientis intermedii termini, )es cuborum aepreeatum Z, ter
minus absolurus.
Icem, in Aquationibus C ubicis ad hanc Formam concicuris.
XC+ 3 A. X = X; est aequarionis radia X, duarum quanditatum dif-
ferentia, quarum rectanculum est A Cterria pars coefficientis:) 
cuborum differentia. Z, terminus absoluus.
Adeoq; redacta cA illarum Aquacionum difficulcas, ad hoc
problema; Daris duarum quantitarum. uum Rectangulo. ium Culorum
summâ vel differentiâ ipsarum guantitarum vel summam vel differentiam
aut ipsas etiam quantitares investigare. OW:.. + Si= ∞ ACIEUE
A
A C
EA A =B. AC LEC.
A C
E. B0 ACF AC L AC+F C= T.
EF ACCF AE C  Z AC.
Sire ZAC ACC = A. C.
A. C
BIILILeE F = A. FC = AC
Adeoque