I RR ATIONA LIBVS. 151 



1, ■!. 5 



vnde reiedis in numeratore tcrminis , qui port eua- 

 nefcentes (equuntur , erit proxime ; 



I 



(l -\-X) ZZ _ " r _i_ " (" -f- '■^'' 7t (fi -j- I ; (n -I- 2 ) Y»' 



'■•»'■ I. :. 3 



C or o 1 1. 2. 



22. Simili modo ponendo oori erit proxime: 



1 ^-iLlilJ X 



(i-f-.vf^ 



; (n — ' r4- Mrtril )" r' _ (n— infn-f-i ) * 



4. 3 •»• 0. 2 



at fi fumatur w — 2 erit 



T 4- ' ("H-O ji^ 1 (n-f- ^yn-f-;) ^,' 



/- I y "* — ^ s- * 



^ X -t- . ; — ^ ^ 3tii— ,' ^ , 3(n— 2 )(>; — . r^.^.^ _ (ft — )(» - n 3 



5 5. + 3, 4. 3 



pofito vero w = 3 erit 



"^ "" I — ^i"— L' V -Y ^("— -'X ^— -) .^.^ _ (n— -Un — Ofn— I ) »• 



£ 



CoroII. 5. 



23. Ponrema hacc formula icieo eft notatu 

 digna , quod numcrator et dcnominator pari termi- 

 norum numero conftat , et quod slter in r.lterum 

 abit, fi exponens n fumatur negatiue. Haec ergo ex- 

 preflio conferonda eft cum fimilibus ex problemati- 

 bus fuperionbiis ortis : 



i—t^r^^AT !^i4-^: 



