1^1 T)E SVMMIS SERIER. NVMEROS 



l[i-^o)-iy quam aequalem efle oportet ipfi A t: tt -|^ 

 ita ^t fit 



at fd^jl{i -i;)i=-(i-'j)/(i-i?)H-(i -i;)-i =:-i 

 ficque fit neceffe eft Atttt — — /^/(i— i;), qiiod 

 per fe -eft manifeflum. Cum enim fit 

 - /( I ~ ii?) zr a; + i i;' 4- ^ 'i'" -h * 'i^' 4- etc. 



erit integratiorre fecundum legem praefcriptam in- 

 ftituta: 



-/^^/(i-i;)zri+^4-iH-",'.4-etc.~A'7:\ 



13. Euoluamus etiam fimili iriodo cafiim 

 ci:zz\ atque cftcndi oportebit fore : 



y_ 



e' — I 

 y. 

 feu Je-yjdy, -8 A 7t'4- i - 8(1 +-:)-8 Att^-P. 



Ponarnus e ^ — i— 1;, A^t iam integrale a termino 

 v—o \sque ad i;z:: i extendi debcat , et habebimus 

 ob ^■''^.■rr(i-i')', ^ = -2/(1- 1O7 et 'O'— rrr^ l^^nc 

 aequaJitatem demonftrandam : 



-4/--^^-+'"^^i;/(i-n,')— SAtt^-P 



verum 



