( >0 7 ) 
A ^i 2 y 
I by- fedori C V X \ & Fluens quantitatis *-^===~~ eft fcdor 
V z? — c * 
Hyperbola, quod fie oftenditur. pig* VII. 
Centro C femiaxe cranfverfo CV—c deferibatur Hyperbola 
aequilatera, & cx duobus pundis infinite vicinis B 8c D ad 
aixem ordinentur dux redae BE, DF ; ducantur item C B, 
CD. Et erit Fluxio feu incrementum trianguli CB E — trian- 
gulo CBD + BE x EFb unde triangulum CBD, feu fedor 
minimus CBD, erit = incremento trianguli C B E — B E * 
E F. Dicatur CE z, & erit BE — <✓&* — F, & B E * E F 
= *VV— Eft quoque triangulum C B E — i zV^-r, 
* . ^ -Z^Z 2 
cuius Fluxio eft \ z * Vz l — c z ■+• j a quo fi fubtra- 
a/z z —F ’ 
hatur quantitas — c\ 
iz x .x 1 , • ^ , 
■ 7 : ^ *W — C l = 
<✓ z 1 — <T‘ 
fit fedor minimus CBD — 
z —c 2 
~ c z z 
- y — - : unde conftat fedorem £,efle fluentem quan- 
~ C l 
titatis ■—-= = = : = == . Praeterea ft BT tangens Hyperbolam Axi 
V X .c 
tranfVerfo occurrat in T, ex natura Hyperbola fit CE : C V t : 
c 2 
CV : CT, hoc eft z : c : : e : — — CJ — x. Fig. VIII. 
z 
Hinc deducimus fequentem conftrudionem. Centro C, 
femiaxe tranfvetfo C^:= c, deferibatur Hyperbola aequilate- 
ra VB, & circulus C e G ex centro C. Ad hyperbolam du- 
catur reda CB 9 & hyperbolae Tangens B T axi tranfverfo oc- 
currat in t. Capiatur circuli fedor CV e, qui fit ad fedorem 
Hyperbolicum CVB ut n ad 1. In C t capiatur C K = CT,& 
erit K pundum in Curva quasfita, cujus perpendiculum e cen- 
tre C adTangentem in K demiffum, ft C K dicatur*, eft arqualc 
A X 
i/ b 2 — XT 
Q, 
Et 
