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# Title: [Ps. 1] (shelfmarks Leibn. Marg. 178, Stück 1; Leibn. Marg. 178)
# Folio 330, page id 175905688X:0352
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5.30
E R A N CFSOY Q SCHOOYF N
pendicularis (FR. ∞
+ Pg
ad dextram collocanda, (i p ae r diverla signa habeane,
auc ad linistram, li cadem. Vel contra, ( habeatur. p.
dqer iisdem lignis adhciantur; auc eriam si habeacur
Lp, eqr direrlis lignis delignentur, oporcettace.
S rCGR ∞ = 2, aut ∞ Er, Lg nulla Lic, camque, ut an-
aisferen- te, ad dextram linistramre collocare, (Ir sC major
2
quam pg; vel contra, sirminor siIc quam pq. Duo Per-
acto, l ex R circulus describatur, transiens per pun-
ctum D, secabic is vel canget Parabolam in tor punctis
Peaeter D, quoc aequatio diverlas radices admittee; e
quibus Ead axem demittantur perpendiculares, obti-
nebuntur omnes aequationis radices, tam talla, quam
vera. Duarum quidem vetae; uEMIL, 2d dextram Ca-
denc, d tala, ut NVO, ad sinistram, (habcatur - p in
aequatione. Sed contra, lihrabeatur ibi L p, Verae ca-
dene ad sinistram, Sc Fal(X ad dextram.
Cujus quidem demonstrationem, cum eodem modo fieri pol.
sic, quo illa Ruchoris pasina 89, brericatis Cudio hic omitrimus.
Uibi demum adrertendum, regulam hanc habere etiam locum
in Aquarionibus Cubicis, quarum 2dus terminus est lublatus, sI
cantum in iis pintelligamus esse ∞0, et veras radices ex eadem
parte Parabola esse lumendas, qua erecta est perpendicularis
OK, de Fallas ex alcera, cum habetur L r in aequatione; auE COn
era, si in ea habetur- r.
Caecerum cum ee alias regulas huc afterre possem, quibus la
exdem aequationes licut de luperiores Jundrato- quadiatae con-
Ecrui queunt: tamen, ne in iis hic recensendis nimis longus sun
(quandoquidem intnitas invenire licet), Suffecerie jam allatas,
eanquam taciliores expoluisse, caeterasque etiam aliis quarendas
reliquisse.
Falsa autem F L aqualis est duabus hisce Q ex X
simul sumpris; quemadmodum ex calculo facile est videre.
Veritarem proprietatis Parabola, quam hic obiter adnotac AU
AOr
nisicat
Eam, qu
est interr
2 p9.