Of GREATEST ATTRACTION. 241 



x (fr + *') 4 '(P > + *T r ... LiL* 



£/3x 



- , c x being put for b z -f- |3\ 



m b Qx x 



Therefore a: <p rz — 



£ # f 



0? + * 8 ) ('" + *")" 



Now, f -W** = £Log P + ^' + *' + Ci 



(Harmonia Menfurarum, Form, ix.) ; and f 



• £ * x _ 



(3*+* a ) (**+*")* 



pLog ^ -rg-rr+C. 



V^ + x 2 

 Therefore f # p ~ 



^'^gi+^S + P Log ^^Jt^ +C, and />* =■ 



<px — b Log r , _ - — p Log _L___-I_ — C. 



If, then, we determine C, fo that the fluent may begin at K, 

 and end at B j if, alfo, we make n the value of ?, that corre- 

 fponds to AB or a ; and i{, the value of it that correfponds to 



