Opuscula. 
Ducatur tertia in 4, & auferatur a secunda, ut 
1 A — ~~ - — 1 r , Hxc multiplicata per 2 addatur pri» 
^ 15 
mx mukiplicatse per 7, & fit 5.^ — ^=3^, ex qua hu'» 
lufmodi valores confequuntur ^4 =: - — — r^A'~— r» 
Quare fummatoria invenitur ^ 5 5 
2 -i ^ 
ry (p , Sh ,cp-j~Ch .cp rSummatoria difFerentialis 
^ j ^ 2 
— ->-. i')^//^?. Sh.qD-+Ch.fp ;JV^9- i>li.^|^-+Ch.q3 , five 
S — : -z V .t 
jy^(p.(Sh,a) 4-2Sh.<:j?.Ch.q:) + Ch.(i3)ex num. Xl V ita 
invenitur . Ponatur elTe _y,(^Sh.q? 4-'^'Sh.'i).Ch.i:|3+. 
Ch.q?). Capiatur differentia , quae comparata cum inte* 
granda dabit eafdem acquationes, qux fupra, unde fumma- 
2 —2 
toria prodjbit ~ry, Sh,(p-hCh.(p i ergo integraJis pro'» 
positae erit — r y cp-] r^y .Sh.^p-f-Ch.cj? . 
Essmplum fecundum . Pofito 3 , ^zr i^g = — 2 , oporte" 
3 -2 
at integrare formulam yc^.^J(p.(Sh.cp-hs* Sh.cp. Gh.q?), 
Summatoria de more ponatur eife jy(^^. (^Sh.(|) + 
A Sh,p C h, (p A'Sh .cp. C h . cp/^ -^""C h .(p^ 
. — ^ 3 2 
— 3 , ( ^ S h . 9 + S h . 9 , C h . ^ + 
~ 2 -«-_3 
^ ^ S h , , C h . (p H- ^^" C h . 9 ) . Hujus differentia omiffis 
terminis , qui destruuntur , eft 
^^— 2ASh.(p— zASh.cp Ch.© 
ZHJl ( 
" •( -h^ASh.cp.Ch.cp 
_3 ,2. 
V4- ^ Sh. (p-{-2A'Sh.(p.Ch,(^ 
— 2 ^'Sh.^.C h .cp*— 2^" Ch .cp^^ 
2 A' Sh.cp. CTT^ V "ChT^^ ) « 
4-3 ^"S h .rp.cTT^' ) 
Ex comparatione cum propofita oriuntur quatuor 2Guafio« 
N n nes 
