) ^4 ( ^S 



f. 7. Deinde pro formaudis coefficientibus pro- 

 dudorum 



« |3' — a' (3 ; a 5' — a' ^ etc ; y 5' — y' 5 etc. 

 Hmilis fiat operatio. Sic pro coefficientibus ipfonim 



ap'-a'(3; a5'-a'5; a ^' - a' ^ etc. 

 ifta feries 



,. ™ •• (tn — 1)^™ — j). fm — T)fm — 5)(m— j) . 



I, m — i^ — ^TY- — , ^^^ , 



( m— t){m— 2)(tn — i)fm — ♦ ) 



I. i. z. 4- 



ducatur in 



1; m—iy (/» — i) (7» — 2) ; (w— i}(;« — 2)(«*— 3); 

 (;k_ i) (w ^ 2.){m — 3) (;« — 4.) 

 Tel in 



i; OT-2; (w-2)(;»-3); (w-2)0«-3)(;«-4); 

 («? - 2) (w - 3) (;« — 4) (;« — 5) 

 vel in 



i; w-3; (;«-3^(;«-4); (;»- 3)(w-4.)(a«-5); 

 (;« — 3) ('w — 4) (w — 5) (m — 6) etc. 

 ficque ducendo terminos ferierem inferiorum in correfpon- 

 dentes terminos feriei fuperioris , orientur coefficientes ip- 

 forum 



a(3'-a'p; a5'-a'5; a^'-a'^; a.^'-ct'&', 

 coefficientes vero ipforum : 



f3'y-Pv'; P'e-(3£'; (3' >l - P vj' etc. 

 conuenient cum iftis 



a^'-a'5; a<^'-a'<; a 0' - a' etc 



Pro formandis coefficientibus terminorum 



y5'-y'5; Y^'-y^i Ye'-Vd ctc. 



ifta 



