2i6 Opuscula. 
A prima multiplicata per q)* deducamus fecundam duftam 
in (p, ut oriatur 
Ut faciiius inveniamus valorem q^Vcp — ^ ^ ^ pona» 
h — 
mus ( — ) ^rr — tn: txgo(p~ mCc , ^ ^(p — tnS q.^-. igitur 
ilGi — dm.Cc.^-hff^-^Cc-^-dm.Cc.^ — ^Jl^ 
^ xr ar arirr 
.Sc.li, d(p'=dm.Sc.-^-hm.^iSc.-^ =z d .C c .-^ 
X r ' X r 2 r x r 
^'^'liiCc.Jl-: ergo d(p:=zmdmC c . . S c . 
irr irr oti ^^^^^ 
^ScXi\ & (b//a)^z^«^^«^Cc.-l-'.Sc.-^-f- C c . ii% 
ir '■ ar ar z r r ar 
ergO(^V^ — q)^cf)' rr ~ . S c . lin-Cc.llrx— _1 
i r r 
,m^dtz=z — rr^ Itaque fi fubilituamus hunc valo- 
rem, & pro cp, 9 extra fummatorias fcribamus {-^)^^^ 
h — 
, C c.-^, ( — ) ^rr s c . demum dividamus aequationem 
g t 
per//^.(~)~S prodibit ~ . S c . ^/43 ^ G c, 
^ zr zr*'f i^r'' 
=: o, quac uequatio determinat z per t. 
Reliquus ell cafus tertius ^ > 2 r, qui nos ducit ad 
ijnus & ( ohnus hyperbolicos . Sed ut brevitatem fequamur , 
juvabit pnus agere de potennis repeiientibus . Si centrum 
ex pundo A ( tig. 2.) feratur per A S - / , & corpus ex B 
per diredionem oppofitam percurrat B X =: x , erit diltan- 
tm =z z, s X . In reiiquis retine denoniinatio- 
nes 
