V-jf + Sr 
b A x 
xVx'-£c 2 
— X y/c- +; 
z 
h dz. 
c y/ c 1 + xr 
( , 0 4 ) 
z z . His itaque valoribus fubftitutis fit 
=■ = — y. Nam tale fumi poteft ini- 
tium arcus HT, ut finiul cum Flucnte quantitatis 
— h dz. 
crefcat & decrefcat. Fiat nc = a & eric 
n h 
c V c l -f- z 2 
7 . 7 ^= =,’ by — (e&ori C XT. 
yf c‘ +Z z J 
\nh l as 
a/ c 2 -f z z 
s/ r + 
= JS r— 7> & 
z,- 
Eft autem 
c 2 z. 
: : nh 2 : c\ hoc eft in 
ic- z 
data ratione. Adeoque erit fe&or C XT ad — ■ fem- 
per in data ratione. Karum itaque quantitatum fluentes 
erunt in eadem ratione, cum fimul incipere ponantur. Flu- 
ens autem fcdoris C XT eft fe<ftor CVT y & fluens quantitatis 
\c x z 
" z : ^ ec ^ or Hyperbola, quod fic oftenditur. Fig. V. 
Centro C (emiaxe tranfverfo c V = c deferibatur Hyperbola 
acquiletera, & ex duobus pun<ftis vicinis D & F ordinentur 
ad axem conjugatum re€tx D B, E F; ducantur item CD, CF. 
Et incrementum feu fluxio trianguli BCD aequale erit B E x 
BD — (etftore D C F: unde fedfcor DCF { qui eft Fluxio feeftoris 
CPD) aequalis erit B E xB D — incremento trianguli BC D, 
Et fiSC dicatur z, ob Hyperbolam, eft B D z — B C 2 -f- CV 1 
— z> 2 4- c 2 : unde to — 8iBE *BD~ z*Ve +z 2 . 
Triangulum autem B C D eft 7 s x V'c 1 + z\ cujus fluxio eft 
~ z * vV + z 2 -f - 
* L 
1Z.X Z 
y/ c a -j~z 
Subtrahatur haec quantitas ab 
z. x Vc- 4 & reftabit feeftor Hyperbolae minimus CDF 
