40 



+ s^PL.P: 



/• 1 r ^ps ij ps 



(dF^ dP^\ 1 



To reduce the integrand, we have from [99] and [100]. 



[115] 



{I- y?)-^-{n+l)iiP^ =-{n- s+\)P^ [113] 



a fi 



(l-ft^) ^^ + U+1)^P„%, =(7i+s + dp; [114] 



d n 



Multiplying these identities and reducing, we obtain, 



.u.i)Vp;p;,, = .2p^p„%,Y37 



Also, from [100] and [99], 



a II J- - fi 

 so 



p:^ ~pL,^-r—2 [('^ + « + i)(p.')'+^"-« + i)(d)' 



a fjL an J- ~ ^ 



[116] 



-2U+1)^P;P„%J 

 Substituting [115] and [116] in the integrand above, we have 



