e*^ ) o ( ^ np 



P-avs akera xpx^zciz c\irii fbrmuia gcnerali col- 

 l2tadat;/=i, m=:z , 0=^^ c—o. Evanefcit 



jgitm- feries (i") & m reliquis fLimenda eH: A= — - -j , 



4 



B=o^ &c.,^=r5, t=a—zp, /^'=(?&c., iinde 

 f2.pX ""z^cU^z^—^x) V I X ^ ^ -^-z . — /) 



«. — 



=: pzx V I r-^^^-l/^A'. — pz^. 



Pars tertiii pxz^dz^ (hzn—z^ w/=r, ^=p. fc^, 

 &c., adeo(]ue A^—p^ B=o^ &c., undc; Jpxz^^dz-^ 



Z^^f-^pyyi—X^-^r-ZZpX^r-l^fdz^ pXj— pZ^V I X^ 



■+-zpxz — xpfxJs^, in qaa ultinius terminus — ipfxdz 



pro inreorali habet x/>Vi — x^\ unde omnes termi- 

 nos colUgendo , erit folidufn Cycloidis qucefTtum 



^{x^zf^dz = — ^p{x^-^ -l) Vi—x^ —pzx\^' I — ,r* 



P^^—i P^"^ — pz^^Vi—x^-^ rpxz + xpVi- x"" ^ a' 

 qua formu]a fubtrahi debet conflans qu :nticas -fj? , 

 quia pofita x=o, exprefiio inventa evadit ^p. Pro 

 radio circuh' genitoris hic fcribitur i. 



f 



RUNO- 



