< 10 ) 



8 + ,s . - T«£i±fl^ , quae est 



=: ~^-r r— ; — -7 aT- Icaque fic 



^r8-i-ig^-T(?.r^4-x3 ::z Ji-^ JLj^ S-^ ^ ~, 



x^ ij {x-'/^y.x'¥7^ix '6) x-^i a--— 4 x^7 x—6 



Hoc in cafu ^ =: 8, ^ == 12, (t zr -■ i<^> ^ r= 1 9 



et banc ob caufam 



8 ' — 12 — 1 6 — ' I — 21 —I 



^_^ 8 + 4, 12 ^ 16, 16—64 — .I52,««7<^ 



•^ - 0+4>(7+4)(-6 + 4)""^Tro ii 



=^ (I 7;t,~4-7X--6-7J «5B 



71 -— ^"^^^^ ^^"^^^^^ 3^""^'<^ -^ --712 «. _^ SS'^ 



-^ ~ (I + 6) (-4 +6) (7 + <$)"" 182. Tr* 



8-hl2.v — 16 x ^ +a;^ „, ^^ I 



^^SO (7+~i J (:^ - 4) (^ + 7) (^' - ^) lo{>+0 



. 76 ^ 1103 35<^__ 



55CV-.4) 858 c*- + 7) plC"^ + 6/ 



S.VIL 



Videtur quidem fuperfles esfe genus quoddam fractio- 

 num, quodin denominacore factores habeacformae/>x + ^, 

 cum femper pofuerimus eos esfe formae x-^p; verura 



at- 



