== (i6z) = 



cof. : ((|) — Cj)') V r / — cof. i ( v|y — v[/'') y ^ ^"^ 

 hoc cft 



]/^ I -+-^col'. 4)K ^-^-ccoi.^^j y^i -t-f''coi'.v|/;(n-/coi'.v|y^; * 

 Tum vero ex iftn aequa^^ionc r H- r^ =: f H- ^'^, hoc cft 



( _i c» U 1 -4- P C-i . 1) ~>- ^ cq/. <P' 1 I I — f^^ ) I a -f- >■" co . 4, »_ p' cof. vj/ ) 



j I I- <• co/. 4) ) ( I -)- o c ) . . 4> ~ I -t- e' co . 4" I ( I -t- c coj. \J»' ) ♦ 



per operaiioiics in fuperiori §. adhibiras, ad iftam deducimur: 



e ( cof. ', '^* coC.'.(t>''fi-^ey — f}n.l(t"-fuy.[0''^i—ry) 



( I -+-< cof. cP; (^ I H-f cof.Cp''; 



e^ r coC • v'.' coC ■ >' .''» < I -f- / • — Hn. ■ vly» Hn. | v|/' r 1 — /) ' ) 



( 1 -f-/c0i.>^; (^ 1 -+-/cOi. Vj/^J 

 Nunc quia cft: 



r I— f»>cor. '^cD— (j)') 



y {i -hecol.cpj { 1 -i-ecof.Cp'' j 



Ci— ^'Vcorj^^cor^.CD^-^nn.-^fin.'^^ _ 



y ^i-hecoi.<pj (^i-i-ecof.(p'') 

 cof. '.(^cof Kt^f x-^r)-^- fin. ' (Dfin. ; (DY i — <- ) 



>/ i-<-fcoi.4);(i-^-^cof.(p^; "" 



^ ^ro'". :, ^ co^. ■ ^^r I ^ <>^_fip. ; 't^ Hn. ! (D^^ i — f ) ) 

 ^/ , I -t-fcol^.Cp; ( I -Hf cof.Cp'; ' 



fcof. '(t'cor.:ct:^^(i-f-f)^— fin.;0'fin.^ cp^'ri— ^)' 



(iH-fcof.cP; ( i-+-fcof.4)'; 

 in iflos binos rcfoliiirur fadorcs 



co^. ;(pcor.;cr^^i-+f>-Kfin.;Cpfi n.^cP'^i— r) 



y'(i->-ecof.(pj (i-f-fcof.Cp') ' 



rrcoC^tcof.-CP^^T-^f^ — fin.;Cpfin.;CpYi -f)_). 



/ ( I -f- f cof. Cp ; ( I -+- f cof. Cp') 

 Noua Acla Ai;ad. Imp. Sc. T. L X fi 



