107 



pei quantitates algebraïcas , sive per drcus ciiculaies, vel 

 logarithmes, cxprimere tentareiuus. 



E X e m p 1 II m s e c u n d u m . 



§. l5. Ponamus }n:=:/^, n=z— i, bnzo, 7 = 0, yz=z2. 

 Pio hoc casu formula generalis evadit : 



r x'a.r x'^*-'/ (2x^-1)5 -f-(«-l) / ^— 



•^ ^^ (2 x^ - 1) --^ y 



2/2-1-1 



iibi item m duo casns ^ scilicet >2 ru 2 /j -j- i , et n z::z 2 p^ 

 a se inviccm distinguendi et seorsim exaniinandi occurmnt. 



/» x=^+' ax 



Integratio formulae / 



^ ^/ 2 x=* — i) • 



Si « m 2 p H- 1 ponitur , erit 



^af) I -N 



/- x-^-'ax a'%^/ (2x^-1)3 4- 2/9 A^^ — 



^ >^' (2X^-1) 



4P -t- 3 



ex qna formula, si litterac p successive valores o, 1, Q, 

 3 etc. tiibuantur, abstiactione facta a constante addenda, 

 sequentia dcducuntur intcgralia : 



