# Leibniz Legible — https://leibnizlegible.com # Page: https://leibnizlegible.com/page/00068231:0015 # Permalink to this reading: https://leibnizlegible.com/page/00068231:0015?run=74 # Title: Leibniz-Handschriften zur Mathematik LH 35, 3 A 18 # Folio 8r, page id 00068231:0015 # Scan: One image of two folio pages side by side, registered by the library under both labels (also fol. 9v); this page is its right half. # Original at the GWLB: https://digitale-sammlungen.gwlb.de/resolve?id=00068231&page=15 # Source image: https://digitale-sammlungen.gwlb.de/content/00068231/jpgs/default/00000015.jpg # Model: FoNDUE-GD_v2_ft_Leibniz, run 74, 2026-09-06T16:05:13Z — 101 lines, status machine # Lines: 101 recognised, mean confidence 0.83 # Machine transcription. Not an edition. Errors are expected: about 8% character error rate on Latin and French lines, higher on German. # Licence: CC BY 4.0, Leibniz Legible. Machine output: do not ingest it as verified text; keep this provenance with the text. # Wording rule: say "the machine reads it as …", never "Leibniz wrote". # After the first blank line: the recognised lines in reading order, one per line. contineatur in potentiius radicum aequationis datae, ita investigabimus quadrato sinde solidae surdesolido Quid rationale anveriatur in Badinis datae aequationis, nihil rationale quadaticae, qu ita investigabimus vel cubo datae aequatimis cubicae, dc ita investigabimus continantis quadrata aubo, suodesolido, itca ita inveniri potest. Sit. XX aequi pX - 9 sitque pars radicis rationalis 1. irrationalis H hoc valore substituti in aequatione sirte XX aequi p 1 e p. 9 Ergo pars ipsius X rationalis erit p1. 4. datis partibus rationatibus ag inveniri potest ex eo quod est potentiaum inferiorum ejusdem radicis ut si scsit aeauntro X pXL GX’ErX + x + D aep o. posito rationatem partem radicis esse1 (nempe P. S) ipsius X esse 2 (nempe pere p 96) in radice aequationis simplicis quadraticae, cubicae, continur etc.continetur pars seu summam omnium radicum per coderum earum divisam) portem rationalis est terminus secundus aequationis mutato signo per numerum gradus divisus. seu Aro aequationis N X+p aequ. 0 X+ pX etc aeq. 0. X + pX et C aq0. X pX CH 6g. 0. erit pars rationalis - p. 1 = p: 2 - p: 3 - p. 4 etc. Sit jam aequatio X + pX4q eq. 0. ergo id quod rationale in pd X continelitur erit id ob X aego pxq erit aequ. p in p. 2 -q seu pp: 2 -q 273 Videamus quid tunc X contineatur sit aequatio X + bX + c aequ 0. pars rationalis contenta ui x est pp: 2 = q mullipliceter per 2+ dsiit X3 + bX + ex (9)33494. - (9)32.34. a) 32. 37.84 quae X +G)32. 33X 4(9) 312X. GBC. 33 si sit aequalio X + pX + r aeq. 0. quae scimus in X contineri rationale p: 3 1 +db + de quaeritur quid tunc x +9 rix Ca3 es in se continentur, divnentur eu per X fic se jam sit aequatio quaemumue X X p X aX qNr rationale erit aequatio pro N, X 2C-2 p X. 38-3 X E p R ambinatoria Quos terminos sumsi ex tabula alias +29 +5p9 SpY 4.. .. X -4 ... XY -6 etc. i 509 + 5pt +5qr concinnata unde etiam termini -5’esse rationalem scilicet Unde patet summam omnium quadratorum a radicibus, esse rationalem, scilicet p - 24 relicti vacui suppeeri possent cuborum quadrato quadratorum 9. r. F. v. sunt combinationes radicum, nempe unnum summa uhiduum, qenuma surse solidorum Y summra ternionum, +quat summa quaternionum, V, ipsa quinio unica Hinc po Hinc jam sequitur partem rationalem unius radicis esse p: e. et po binionum, pp- 29. NC posito scilicet aequationes X etc. vel x etc vel X etc. non esse tractabiliores quam aequationem, Si valores isti bene inventi sunt, succedunt inveniendo in aequatione data quadratica ipsam X. Quod de generali intelligendum. cubica, aytica, surdesolida id quod rationale in quadrato, cubo, seto, sundes olido continetur, perinde ac si id non jam nossemus. sit Xx aequ pX - 9 cum rationale contentum (nam e eo caso valet 2) erit rationale in X contentum p in p. 2 - g. seu pp. 2 -g qui valor consentit cum priore pp- 24: seu p pp+ 29: 2 seu pp C2 - q sit aequalio, X3 aequ p X = gX +Y cum rationale in Xt contentum sit p: 3, in X sit pp: 3 - 29:3 ideo rationale in X3 contentum erit P :3 - 2p9.3 = pg: 3 +Y seu p: 3 - p4 + Y seu p - 3p4 + 3Y, : 3. ut aute in X sit p: 22 to aorius que que am strite pui t neu is iu incares pote pro d C 36=9 etC 2c. 4 ps +4p9 apr -299 +4+ 4.... 7 A A.... X 4C = 12 ete se- 15 ete 4C-8 Se-5 30-10 p- 3p9 + 3Y P - 4p9 + apr 429q. 4L P - 5p9 + 5pY +5p9. spt. 5qu quadrati cubi jgti dicet p- 344+3,. 3bC Cp- rpotaprtq. at: se