(S7) 



lis fupra iniientis vbiquc loco c tt y fcribamus ctc ct y-t-w, 

 deinde, quia etiam litterac ^ et -vi angulum w involuunt, fi 

 pro valoribus feqnentibus ipfius w ctiam loco ^ et -vi fcribamus 

 ^' ct V)', et kd porro, eaedem formulac pracbcbunt uatu- 

 ram euolutac primae, cuius ergo clemcnta erunt 

 l./=za c e^'^ fin. (y -h w -H V <P)- 

 ll./ = c e^'^ fin. (y -h >i" 0). 

 ni.A^r-— ^f^/'^[acor.(y+(V-^i)Cp)-f-fm.(y^a)-^-(>l'-f-i)45)] 



■ „ -^°' r^'^[acof.(y-f-(y/-i)Cp)-fin.(y-+-w-H(V-i)^)]- 



W.y- '- ^^'"^[afin .(y-f-(V-+- 1 )C|))-Cof.(y-H(.H-(V-H i )(P) ] 



mli f^ '^arfin.(y-+-(V-H i )(p)-hCof.(yH-u-H(V-i )4)) ] 



• loux — iojm.uj-t-i> 



\ 



§. 21. Confideremus nunc in genere cuolutam ordi» 

 nis X, pro qua inucnimus radium ofculi 



^x) _ f^4> (,x^' cof. y\(p-h 93'^' fin. >i (p). 

 Kunc autem reperimus 



ai^' in a'^ (^31 cof. X oj -f- 95 fin. X w) et 



cg,x) _ ^x (5j ^.Q^^ X w — 5t fin. X w) , 



fiuc ctiam 



jy,X) — a^ <; fin. (y _|_ X w) et 



55"'^' = a^tcof (y-+-Xw), 

 cx quibus valoribus colligitur radius ofculi 

 ^x) — a^^ e^<P fin. (^ ^_ ^ w -f- >] (J)) , 



qui ex principali formatur, fi in ea loco c et y fcribatur a c 

 et y-+-Xa), quamobrem pro euoluta ordinis X nancifcemur 

 fequcntia clementa: 



I. f^^' zz: a^' c e^^ fin. (y -f- X co -|- >1 0). 



II. j'^' z:^ a^ - ' <: r^^ fin. (y -+- (X — I) u -I- V) (p> 



