

== (+7) = 



ris perpetuo crit M — , cafu poflci-ioiis formulae 



2 n cof. --H 



2 n. 



M — — -"iLtane:. ^. Pro aUcra autem littera R in problcma- 



tc fccundo erat K. ~ — v , vndc pro formula pnma cafu x-x 



P 



erit R ~ -i 1^; / x , et pro pofleriorc 



1 A"" 



Dcinde vcro fum-^o — ^, crit pro priore' formula: 



R =: _- zs (J x/ et pro poftcriorc - 



1 -[ - .V- " 



R = f —^; (/ .V)- JIl = a 



Simiii modo fumro 1^=13 crit pro priore formnla: .nu^VL 



^n-Hp— I ^n — p — I 



R — ■ — '- (J xf 'y pio poftcriore yero 



I -l-.v*" 



n -4- p — I i_ ^n — p — I 



— ^^ ^an ^ . /liffndt oioiiifioq oiq J> 



Arque adeo in genere pro omni indicc v erit pro priore forma : 

 R — ■ -=-— Q xy -, pro pofteriorc vero 



I .V 



Vbi figna fupcriora valcnt fi v nun.crus par, infcriora vcro fi 

 in;par. ^ . 



Pro quarto autcm problcmat-e, vbi quantitas' R pcr in- 



tcgrationes dcfiniri dcbct, cum fit R — -^^ V, reperimusj Juin- 



:.- .. ^ to 



Ar 



