«j m SERTES. QriBVSb. CONSimRAT. 

 I _ 'aj^~i- 3"-*^'— 4"-' ■+• etc. = e it"-' 



t - a"-* 4- 3""* ~ 4""* -1- etc. = y it"-» 



r I I 



I ^ 2«-<s ^- 3"-«^ — 4"-'^ «-f- etc =:= ^ 7r '*°*^ 



©rit a=z:,^--,l-^5 + ix7r7'"i^9'^?:i:n^ 

 Vt igitur funimam huius feriei inueniamus 



I — 1« «4- 1^ - 1? |s - rs -h etc. 

 omnes , quae fecundum hanc legem ipfim aitatecedunt con- 

 fiderari oportebit , quae funt i 



•2 - h -f*- 3t - b -+• etc. =: A TT^ 



i-=>2^-3-4H-" etc. =r I 



s-'2*4-3'~'4'+etc. r=^. 

 eritque B rz A_ ^ ^^ ^ .A— »= rl— •+- etc» 

 At harum ferierum omnium fummae exhiberi poffiint ^ 



€il enim 



2-1 + i - i +- etc, r= / s 

 s_^ ^-.3 ^4 =4^ etc.rzir:::^ (i^i«-4-|s+etc.) 

 1-2^-4-3'- 4'..-+= etc. — ~z=.-'-^ii+U'^h'hctc.) 

 ^^^'^^.f^ 4^^ etc,=3:iiiz^-^(i+|i+|f + €tc.) 

 K--s'^3'-' 4 -h etc.rz°-^r=--^^"^^(i4-J,+^+etc.) 



i 



Atqu» 



