l^ioa fi ad .■wquaqonem Theoremate (11) <;xpf€fl*afr. ct 

 per f' in\iItJplicacani , addatur illa , qqam §, prdecedQuri 



f xpofuiinus 5 



"^ I ^'?~ * '^ i»n.<f'V( 1-f-i'coj, <!>-»-«*> 



prodibit aequalitas Theoremate hoc (VI) expofita. 

 Peinde quia per Theorema (III) eft 



' (?4-2^'cor.(f>+r'*)' 



fi flatuatwr r'=:J, |i§c 



g' </(|)(g-f cof. (}))- 



(l + af cof, Cp-f ^')- 

 »d qiTaiTi fi addatur 



* J H^ (.-J-^cs/.5)) ♦-'<?^'('-^«<^3^V(«-*>«7iari^) 



g' t/(t^ f 1 4-geof. (|) )' 



( i -f a ^ cof, (^ 4- <' )' 

 prodibit : 



/«". tt (f !-»->«)/.(?)- » ' (f H- col. J))« I 



</(|)fin.(^' 



+ * / 7 



(i + ft ^cof.Cp + r')' 



.i^tf ilf tf(f. /w^. Sf, Tom. II P. JJ. H =: 



