^,. . ^ .... C 34^ 3 
fihdemr ^ p,4c e pmcfo Eerigmr Axi perpendkulum EF 
( velepnoto Cf defkerit prntitas p ) line a DK^fi opus eji 
contimau^ occiwrens in pnmto F ; pod pidem cimli remifi" 
ti cenfYHm ^y?, J? 
- . . A 
iejuent qumUtas 
q i JJtfi habearur 
q, fumenda ejl in 
FE, opm efi 
continuAtity line^u 
rorfum qmdem fl 
fuerit -p q, dex-- 
trorfump — qcol- 
locanda i Et pmc"- 
turn G centrum 
drculi ad, confirm- 
tionem propofttam 
idonei ; €]uf<j}i Ra-^ 
diuSy fi defuerit 
quantitas Vj hoc efi 
fit ant nm cMca fu-' 
erit^erit line a G D; cii]tis Quadrat urn in Biquadraticis mgendum 
efi.ft fuerit — v^vel minnendum fi -\-v audit ione vet fuhductio-^ 
ne rectanguli fuh r & latere recto. Defcripto fic Circulo^ ah in-- 
terfectionihus ejus cum Parabola demfffs in line am D H perpen^ 
diculisy qu*e ad finifiram funtj ut N O, radices ^quationis nega- 
tivas femper defignant^ qu^ ad dextr^m ut Islh ajjirmativas. 
Aliter ac paulo fmplicius ALquationes cubic^ juxta Schooteni 
Regulam confiruuntur^quaf^ etiam radices ad Axem referunturi 
quoniam vero iffe inventor nec modum inveniendi nec demon^ 
firationem inventi exponit^ non abs re erit ejufdern fundamen- 
turn hie adjicere^fimul atq\ Ejjectionem Geometric am concinnio^ 
rem redder e^ atq\ cautionibus qmbvs imp lie at ur extricare, 
H^c Regula derivatur ex eo o^aod omnis ^quatio Cubic a re duct 
po!}it ad Biquadratic am J in qua depiet ter?ninus fecundus : Hoc 
ft ducendo aquationem propofttam in z — h — offifnerit -f - b in 
W W 2 dqua- 
