547 



20< 



' r"f(p.q)dx"=l{—i)N+N'+'"xM{M-^i)...{M-^NJ^]S'^m—\)X 



—IM+N+S'+'») 



x^r 



d A"' p 



A(y+"') 

 dx A- . 



&c. 



■ AiV ■ 

 í/A "q 



dx^''A 



A" 



X 



&c. 



21 



J'f{p,q)dx=l{—lf+''^'+"'~*X\.%'5...{N+N'^m—í]X 



_(JV-|-JV'+m) 



XSP. 



- A(^'4-"'-') " 

 d A"' p 



A(iV'+m-l) 



X_LxSP. 

 &c. 





" AJy ' 



AÑ 

 Lda;A". 



A" 



&c. 



i^=2(-l)"X(iV+4)(iV+2)...(iV+n-l)x¿^X 



22' 



X7 



J^r2„—N+ I +^+2;;'+3;;"+&C. 



tX 



2.5...(2«— iV+l+j9+2/+3p"+&c. 



^r/¡y-n—i—2p—5p'-ip"—&c.XA"'P.A"P'.A'^f"...8íC. 



^2.3...(iV-H-i-2;)-3p'-V-&c.)x2.3...px2.5.../x2.o...p"x...&c. 



«"'+(«+<^)"'+(«+2J')'"...+[a+{n— 'i)=r]'"=5™ 



Xa*-^/"— <+^X 



; ^í ,N ^wi(w — l)...(m — fc+2)_ , „„ 

 ^^^ 2.5...(fc— iV) 



I(l)-X ^ "^ ^ ^ ^'"^ "^ ^ X. ^ ^ ^ 2 ^ ' 



2.3. ..(r+1) 



2.3...(iV+r) 



