431 



z=A'x+A"x-'-irA"'x\. . + AMáC+áíc. 



X 



«'=- 



g z=fíV+fi"a;"+B"V...+BWx'''+&c.j ('+a;)p 



sr, *s pn{pn-\-l)...{pn-\-m—n—l) „, ^ 

 ^ ' 2.5... (m—w) 



iz=A'x+A"x'+A"'x\..-\-A('')x"-^8cc.,x=x'e'''' 



i z=A'x'^[A"^kA')x'\.. +x''"25V-7^-:v. ^(''»+&c. 



2.3...(m— n)" 



'Z:=2'e 



/pkT.' 





10/ 



5 4' 5' 



2 2.3 ^2.3.4 



.,-+(-1)'-'X; 



,fi— 2 



2.3...(ii— 1) 



/£«-'. 2"+&C. 



z=A;x'-\-A/'x"-{.A;"x'\ . .+4/")a;'"4-&c. 



.4 (!->« 



2.5.. .Ak 



./•"(iV) 



••' }2'=(4+3)-"'=S(-l)". m(m+l)...(m+«-1). — Lx/"''(A^)Xa;'-v 



j4"'+" 



n/2.^}z'=/.{4+z)=/.4+SM)''-'x2.3...(n-l)x-J;;./'''(A0.x'-''- 



3.° } 2'= --=S(-1 )«. /í". f''{N)Xx'^ 



4.°}2=2'. e*=', /=S{-| )'■-<. fc'-i. n'-Kf'-iN). x"^ 



\ 5."}2'=:-=S(-l)'=-'. ^"-i. n.f"{IS)xx' 



.'N 



