Full text: Oeuvres mathématiques diverses (Tome 1)

246 
(EUVRES DE FERMAT. — I* PARTIE. 
ergo, componendo, erit ut summa quadratorum FE, EH, sive ut uni- 
cum 
nd 
E 
quadratum FH ad quadratum EH, 
ita dimidia AB una cum GE ad ipsam GE. 
5i vero recta EF sit potestate subtripla rectze GE, erit 
ut quadratum FH ad quadratum EH, 
ita tertia pars AB una cum GE ad ipsam GE. 
51 recta EF sit potestate subquadrupla recte GE, erit 
ut quadratum FH ad quadratum EH, 
ita quarta pars AB una cum EG ad ipsam EG ; 
et sic in infinitum et in quacumque applicata idem continget 
Pnorosirro IV. 
His premissis, theorema generale haud difficulter detegimus. 
Sit, in figura quinta (Ze. 138), parabole nostra AC, cujus axis AB, 
semibasis BC, et ab ea formentur aliz in infinitum curvze AD, AE, AF, 
(Y 
quarum ea sit proprietas ut, ductà quàlibet applicatà BCDEF, recta BD 
sit semper zequalis priori eurvze CA, recta BE zequalis secundae curve 
AD, recta BF zqualis tertize curve AE, idque semper in omnibus ad 
illas eurvas applieatis contingat : Aio omnes illas et singulas in infini- 
tum eurvas AD, AE, AF etc. esse semper datis lineis rectis zequales, 
perinde ac curvas quas in Dissertatione, diversà et dissimili ex parte 
baseos methodo, construximus.
	        
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