2o6 Opuscula . 
iuxta notas tnethodos tradlata, exhibet ^j^ — 
H- - + — — » Integretur j = /A -H 
m 
l^-{-t — Iq — t -f- fumptis logarithmis in logifti- 
^-^q>q—t 
ca, cuius -fubtangens ~ 
XXVII. Itaque fi ope logarithmicae defcrihamus cur- 
vam rerpondentem ultimx aequationi , in qua / fint ordina- 
tx,y abfcifiTae, fpatium inter curvam , & coordinaras com- 
prehenfum divifum per unitatem —x—Srdy. Verum hoc 
fpatium ) atque adeo vaior x per logarithmos invenietur , 
. r ? }?2tdf r/itdt 
Eit enim td'^ = dx r=i - 
^^^Z' r/2pdt mdt 
, five //jf = — -— r — =1 — =• — a -H 
mqdt r/idt mqdt 
^ -H- - . Nam fi fum. 
f-^q" ,q—t p-\-q,q—t ^-^q.q — t 
Bientur fingula terminorum paria, redibit fuperior aequa. 
mpdt 
tio . Ultima a:quatione expurgata erit dx 
mpdt ynqdt 
— ' : 
^~Vq ' t-hp 
9 quae integrata fumptis lo- 
p-\-q^ .q — t p-\-q.q~t' 
garithmis in eadem , qua fupra logiflica, fiet x — — /'//■-f-p 
mq 
H- plq—t /B-f- . 
y-\-q . q—t 
XXVIir. Hxc methodus ubique conftru<5lionem fuppe- 
ditabit . Verum elegantius fortalle fiet, fi vulgari methodo 
prx- 
