"•>3^.^ ( O ) If^o- 17.3. 



EXERCITATIONES 

 A N A L Y T I C A E, 



A u c 1 r e 

 L, E F L E R O. 



^Ton parum notatu digna videtur relatio , quam 

 1.1 inter fummas harum ferierum diuergentium 



I - ^'"-f- 3^~ ^"•-p 5»" - etc. 

 ct iftarum conuergentium 



I I I 1 



»-+-^4-^4-yL-f--s-H etc. 



intercedere olim obferuaui , et quae ita fe habet : 



i-2'+3°-4-°+etc. = i 



i-y + 3'-4 +"etc.-i = +^(i + L, + J, + ^+etc.) 

 i-a' + 3'-4 +etc. = | j-,^ .-,.. :.t' i: 



i-2'+3'-4+etc.=-;|--^(^+^+i;+i,+etc.p 

 I - 2* + 3* - 4* + etc. =: 5°5 



1-2^+3 -4-' + etc..-ifr+'-^-i^'(i+r*+r.+Fi+etc.): 

 i-2*+3*-4-'+etc -T°. 



I - 2'+ 3 - 4 + etc.--i^|i:- ^^'.•••"(1+ ,^+ ,-. + 7i +etc.> 

 i-2*+3*-4*+etc, =r 5?j 



, .- a*+ 3'- 4. V etc. -'.ir,- + '^:o%i +3fo+,-fo+,-7?+etc.y 



Y 3 Ybi 



