Opuscula* 169 
B C , cui fit normalis C D , ita ut fit B C : C D : : Q_F: C^. 
Jungatur B D . In hac abfcinde B M = ^ J~ — - - Ex pui> 
r 
B — I 
M parallelam B G duc M E = — ~ — , Tum iiiter afTjn^ 
ptotos BG, BDF defcribatur hyperbola ejus ordinis , ut fem- 
per BH*'" in HK.""^ fit xqualis conftanti produclo BM^"" 
in M E" " ' . Hyperboia haec G E F ipfi erit curva , quam mo- 
bile in fuo motu defcribit . Anrmadverfiones , quae in fjperio- 
ribus cafibus fa^lx funt , huic quoque accommodari debent . 
Progredior ad cafum non integrabiJem , in quo 1 : 
quo in cafu habentur formulae dy ■=:. = — ■ 
. mCdz p ^ m QJd z ^ . . 
H , & dx . Qux 11 mtegrentur acceptis 
b.C-\-z ah.C-\-z 
7)1 ii 
logarithmis in logiftica , cujus fubtangens = — mox determi- 
^ ^ . 
nanda , orientur y — A ^ — \- l C -\- z y & at — 'B 
C a . ^ mz E a — • 
m 
qjr' ^ — B-\-y-A. Multipiicetur per 
V -Ar C a , & dividatur per ^^^^, ut proveniat 
~B VQ^r'-|-C'/ _ v/q^ -f- C' 
qV Ea. 
in 
b C a 
— IC — — - . ~- . X — S -h y — A . Quare , ponatuf 
