310 



OpDSCUtA 



y=px"—-z—s (B) 



Sccundus gracilis. 

 Ax'+Bxx-\-Cx '-+-!> x'+T:x = F (C) 



D B , 



__2CE — BD 



(A) 



— ex 



, ^ D' (2CE — BDV ,B-f-4Ce' ,v . ,... 



Ztem Ax'-i-Bxx'-hCx'''+I)x'-[-Ex = F (C) 



/ =F-hma: — D a:' — Car" 

 z:=qx 



E + m + Ax + Bx' , 

 J' = 2' 



(A) 



(B) 



A.r'+Bxx'+Cx'x"H-Dx'=+Eara:"4-Fa:"'+Ga:-fHx'+Kx' '= Q (C) 



L G ,. Bx' 



xV(4AD — B') 

 av/A 



(A) 



z = 



