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# Title: [Ps. 1] (shelfmarks Leibn. Marg. 178, Stück 1; Leibn. Marg. 178)
# Folio 142, page id 175905688X:0164
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142 FL. DE BE AULN E NOFA BREVFS.
seu = p, Sicut diximus, ac proinde ejus criplum p. Ouod si rursus
mulciplicetur per Z, producetur P Z, aquale criplo producto li-
nearum AB, BC, AC: _ per conlequens Z3 -- pZ∞ 9, hoc
CAt, Z330 X, FpZ ]- 9. Ouod eratdemonstrandum.
Adduxi autem demonstrationem extractionis harum radicum,
quod contemplatio earum atque inrentio pulcherrima inihi sine
rila. Verum quancum ad praxin, cum Geometrice aequatio.
nun hoc loco propolicarum radices lunt extrahendae; ejus Pane
mecliodus, qua generalis acque Facilis est, quam optime in hac
Geometria demonstrata cernitur. Si vero Arichinetice illas ex-
trahere lubuerie, multo id facilius tet juxta mechodum à Vieta in
tractatu de Numerola Pocestatum Relolutione tradicam, quam
per hasce regulas Cardani.
S
s I
cece
FR AN