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# Title: Leibniz-Handschriften zur Mathematik LH 35, 8, 30
# Folio 61r, page id 00068124:0121
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il
e
a
2
quadraturam invenire etiam ita concipi
idem quod
potest, ut sit invenire quantitatem
ita explicare quanti tatem disferentiali
affectam, ut fiat quantitas constans
Exempli causa sit curva data AC C, quae
resolvenda sit in polygonum aequi-
itulum seu anguli 1T2C7F, et
2
(3C37 debent esse semper
aequales, ergo si 1119 2T29
sit subtensa anguli debet ratio
oria ad 1T2C semper esse constans
est autem 2
riqus differentia duarum tangen
tium pCiT et 262 aucta elemento
 curvae iCre. et A1T2T est differentia
duam AT et 1719 considerari potest
ut perpendicularis ad 2C27. ergo quadrat.
19 + quad 192T aequ quad. 1T2T. siet
sit ierc aequ dc. 192T aequ at.
en A~ 1T2
aequ dv. fiet. 1719 aequ
2
C
eq rac db H ddc - 2dc dt- (2
pergo sar - de- 2dc at 
It. L debet
esse quantilas constans cumue du. dc. dt.
t
E1
dentur per dx
et  v. F. per X. res 
 reducitur ad a formntum dx. X
sit quae debet esse constans, tid est pro
 x assumenda  alia litera, talis ad X rela
.
tionis ut fiat ax. X aequ dco, seu
a posita deo aequ. s. numerator aequali
nominatori, d est quaenitur (dx aqu. 
37)
2